Happy Earth Day! Join NASA experts on the 50th anniversary of Earth Day as we explore important discoveries made about our planet, talk with teams creating green technology that benefits life on Earth, explore a new type of aircraft making flight greener and cleaner, and hear from a NASA inventor who has turned coral reef science into an interactive app that allows you to participate in science from home. Celebrate #EarthDayatHome with NASA.
Category: Astronomie
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“It can be done.” – an Earth Day message
In summer 2018, ESA joined with the musician Vangelis and the family of scientist Prof. Stephen Hawking to beam a message marking his passing to the nearest black hole. On 22 April 2020, Earth Day, we’re transmitting this poignant message to all of planet Earth – as a message of hope, to say that, by working together, we can overcome this crisis and others facing humankind.
The message reads:
“I am very aware of the preciousness of time. Seize the moment. Act now.
“I have spent my life travelling across the Universe inside my mind. Through theoretical physics I have sought to answer some of the great questions but there are other challenges, other big questions which must be answered, and these will also need a new generation who are interested, engaged and with an understanding of science.
“How will we feed an ever-growing population, provide clean water, generate renewable energy, prevent and cure disease and slow down global climate change?
“I hope that science and technology will provide the answers to these questions, but it will take people, human beings with knowledge and understanding to implement the solution.
“One of the great revelations of the space age has been a perspective that has given humanity on ourselves. When we see the Earth from space we see ourselves as a whole; we see the unity and not the divisions. It is such a simple image, with a compelling message: one planet, one human race.
“We are here together, and we need to live together with tolerance and respect. We must become global citizens.
“I have been enormously privileged through my work to be able to contribute to our understanding of the Universe. But it would be an empty Universe indeed, if it were not for the people I love and who love me.
“We are all time travellers journeying together into the future. But let us work together to make that future a place we want to visit. Be brave, be determined, overcome the odds. It can be done.
“It can be done.”
Text and narration: Prof. Stephen Hawking (© The Estate of Stephen Hawking)
Music: The Stephen Hawking Tribute by Vangelis (composed, arranged, produced and performed by Vangelis) 2018
Images:
ISS – ESA/NASA
Sentinel images – contain modified Copernicus Sentinel data/ESA, CC BY-SA 3.0 IGO
Stock footage – Pexels.com, Pixabay, Bedrijfsfilmspecialist.nl
COVID-19 testing – ©Governor Tom Wolf/Wikimedia Commons, CC-BY 2.0
Sentinel 2 animation – ©ESA/ATG Medialab
Earthrise – NASA
Rosetta Earth 2009 – ESA/Rosetta/MPS for OSIRIS team/M. McCaughrean
BepiColombo launch – ©ESA/CNES/Arianespace
Black hole – ©EHT Collaboration, CC BY 4.0
LHA 120-N150 – ©ESA/Hubble, NASA, Digitized Sky Survey 2, CC BY 4.0, D. De Martin
BepiColombo Earth flyby ©ESA/BepiColombo/MTM, CC BY-SA 3.0 IGO★ Subscribe: http://bit.ly/ESAsubscribe and click twice on the bell button to receive our notifications.
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NASA’s Curious Universe: In the Amazon with NASA Earth Scientist Doug Morton
Our universe is a wild and wonderful place. In our new podcast, NASA’s Curious Universe (nasa.gov/curiousuniverse), we’re taking you on an adventure. In this episode, explore the Amazon Rainforest with Earth Scientist Doug Morton.
April 22 marks the 50th anniversary of Earth Day. Listen to the full first episode of the NASA’s Curious Universe podcast: nasa.gov/curiousuniverse
Listen on:
Apple Podcasts: https://podcasts.apple.com/us/podcast/nasas-curious-universe/id1505624059
Google Podcasts: https://podcasts.google.com/?feed=aHR0cHM6Ly93d3cubmFzYS5nb3YvcnNzL2R5bi9jdXJpb3VzLXVuaXZlcnNlLnJzcw
SoundCloud: https://soundcloud.com/nasa/sets/nasas-curious-universe-podcast -
Earth Day 2020: NASA Puts Space to Work for the Planet
NASA’s unique vantage point of space allows us to better understand Earth’s interconnected systems and use that knowledge to live sustainably on our home planet, protect life around the world, and adapt to natural and human-caused changes. As NASA joins the world in observing the 50th anniversary of Earth Day, we reaffirm our commitment to understanding our planet’s interconnected systems to help protect them for future generations.
View this video in Spanish on our NASA en Español YouTube channel: https://youtu.be/x-AjWa27zr8
Learn more about how we’re celebrating #EarthDayAtHome: https://www.nasa.gov/press-release/nasa-marks-earth-day-s-50th-anniversary-with-earthdayathome/
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Luca meets space cyber assistant Cimon
ESA astronaut Luca Parmitano tested new functionality for the astronaut aid Cimon relating to mood detection and enjoyed a few favourite songs on the first weekend of February 2020, his last weekend in space for the Beyond mission on the International Space Station.
Short for Crew Interactive Mobile CompanioN, Cimon is a 3D-printed plastic sphere designed to test human-machine interaction in space. It was developed and built by Airbus in Friedrichshafen and Bremen, Germany, on behalf of German aerospace centre DLR and uses artificial intelligence software by IBM Watson. Ludwig Maximilians University Clinic in Munich (LMU) is in charge of the project’s scientific aspects. Cimon was first used by ESA astronaut Alexander Gerst during his 2018 Horizons.
Cimon weighs around 5 kg on Earth and has a display screen at its centre. Its main aim is to support and increase astronaut efficiency by displaying and explaining information needed to carry out scientific experiments and repairs.
Other applications include mobile photography and videography and the ability to document experiments, search for objects and maintain an inventory. Cimon can also see, hear and understand what it observes and is equipped with an autonomous navigation system, allowing astronauts to issue voice commands like you would to virtual assistants like Alexa, Siri or Cortana on the ground.
Circling our planet at 28 800 km/h the International Space Station offers space for six astronauts to conduct experiments for researchers all over the world in weightlessness as well as test and demonstrate techniques needed to further explore our Solar System.
Europe’s laboratory Columbus was launched over 10 years ago and more than 200 experiments have been done inside. Columbus houses as many disciplines as possible in a small volume, from astrobiology to solar science through metallurgy and psychology. Countless papers have been published drawing conclusions from experiments performed in Columbus, and Cimon is another example of the research conducted in space.
Follow Luca: http://bit.ly/ESALucaParmitano
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Space Station Crew Returns Safely to Earth on This Week @NASA – April 17, 2020
Space Station crew returns safely to Earth, practice for our asteroid sample return mission, and a new discovery from old data … a few of the stories to tell you about – This Week at NASA!
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-Space%20Station%20Crew%20Returns%20Safely%20to%20Earth%20on%20This%20Week%20@NASA%20%E2%80%93%20April%2017,%202020
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May 27, 2020: #LaunchAmerica
Before our Apollo astronauts launched to the Moon, they walked out of these doors at Kennedy Space Center. When NASA astronauts Bob Behnken and Doug Hurley board Crew Dragon for the SpaceX Demo-2 mission to the International Space Station, these doors will be used again. Prepare to #LaunchAmerica on May 27. www.nasa.gov/launchamerica
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#AskNASA | What’s on the Apollo 13 Audio Tapes?
Software developer and website creator Ben Feist helps us step back in time with his new website, apolloinrealtime.org. Ben, a contractor at NASA’s Johnson Space Center in Houston, restored Mission Control audio of Apollo 13.
Applying new digital audio processing techniques, Ben explains how he and his team restored and digitized almost 7,200 hours of audio. The website features new audio from the mission, in particular, a phone call to Mission Control from Marilyn Lovell, Jim Lovell’s wife, the day after the explosion.
Commemorating the 50th anniversary of the historical Apollo 13 mission, Ben describes why the events and people from Apollo 13 continue to inspire us today.
Thanks to Stephen Slater and Ben Feist/Apollo in Real Time (apolloinrealtime.org/13) for providing footage and audio.
Send your questions to our experts using #AskNASA.
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Earth from Space: Montevideo
The Copernicus Sentinel-2 mission takes us over Montevideo – the capital and largest city of Uruguay, in this week’s edition of the Earth from Space programme.
Download the image: http://www.esa.int/ESA_Multimedia/Images/2020/04/Montevideo_Uruguay
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Expedition 62 Crew Returns to Earth From Space Station
After months living and working on the International Space Station, NASA astronauts Andrew Morgan and Jessica Meir and Oleg Skripochka of the Russian space agency Roscosmos are returning to Earth.
On board the orbiting laboratory, Andrew Morgan contributed to hundreds of experiments and conducted seven spacewalks. During her first spaceflight, Jessica Meir conducted the first three all-woman spacewalks with crewmate Christina Koch.
Join us and follow along as they make their voyage back to the Earth.
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NASA’s Gravity Assist Podcast Season 4: Searching for Life
Is there life beyond Earth? How did life get started on Earth anyway? This season of NASA’s Gravity Assist podcast is about the origins of life on Earth and the search for life elsewhere. Subscribe at https://www.nasa.gov/gravityassist. See all NASA podcasts: www.nasa.gov/podcasts
Hosted by NASA’s Chief Scientist Jim Green, each episode features a conversation with a scientist who has researched some aspect of these questions. We’ll talk about the search for life on Mars, what kind of life might survive on Saturn’s moon Titan, and much more.
New episodes Fridays starting April 17.
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NASA’s View of Earth, in Music
Discover what NASA’s Earth data sounds like when it’s turned into music. With each passing Earth Day, the drums get louder. Every sound and instrument tell a story.
The higher the pitch of the music, the more data collected from NASA Earth science missions. The guitar represents the mission launches. The orchestra is split up based on the field of each mission:
• Strings = Atmosphere
• High Woodwinds = Geosphere
• Low Woodwinds = Hydrosphere
• High Brass = Cryosphere
• Low Brass = BiosphereApril 22 marks the 50th anniversary of Earth Day. Listen to the first episode of NASA’s Curious Universe podcast: www.nasa.gov/curiousuniverse
Listen on:
Apple Podcasts: https://podcasts.apple.com/us/podcast/nasas-curious-universe/id1505624059
Google Podcasts: https://podcasts.google.com/?feed=aHR0cHM6Ly93d3cubmFzYS5nb3YvcnNzL2R5bi9jdXJpb3VzLXVuaXZlcnNlLnJzcw
SoundCloud: https://soundcloud.com/nasa/sets/nasas-curious-universe-podcast -
Zoom past Earth with BepiColombo in virtual reality simulation
With a simple Google Cardboard-style virtual reality (VR) viewer, you can experience how it feels to be a spacecraft hurtling past Earth. This 360-degree VR simulation of a flyby manoeuvre performed by ESA’s Mercury-bound BepiColombo spacecraft takes you on a trip past Earth at the distance of only 12 700 km, closer than the orbit of Europe’s navigational satellites Galileo.
The simulation displays the field of view of two of BepiColombo’s science instruments (MERTIS and PHEBUS) and two of its three MCAM selfie cameras during the gravity-assist flyby at Earth on 10 April 2020.
The simulation was created using the SPICE software developed by NASA’s Jet Propulsion Laboratory and data generated by the European Space and Astronomy Centre (ESAC)in Spain.
BepiColombo, a joint mission of ESA and the Japan Aerospace Exploration Agency (JAXA), is on a seven-year cruise to Mercury, the smallest and innermost planet of the Solar System. Launched in October 2018, BepiColombo follows an intricate trajectory that involves nine gravity-assist flyby manoeuvres. In addition to the flyby at Earth, BepiColombo will perform two flybys at Venus and six at Mercury, its target planet. The manoeuvres slow down the spacecraft as it needs to constantly brake against the gravitational pull of the Sun in order to be able to enter the correct orbit around Mercury in 2025, ahead of commencing science operations in early 2026.
Credit: ESA SPICE Service/RHEA Group.
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Apollo 13: ‘Houston, We’ve Had a Problem’
“Houston, we’ve had a problem” is the now famous phrase radioed from Apollo 13 to Mission Control upon the catastrophic explosion that dramatically changed the mission.
On the 50th Anniversary of the Apollo 13 mission, we recognize the triumph of the mission control team and the astronauts, and look at the lessons learned. The Apollo 13 mission has become known as “a successful failure” that saw the safe return of its crew Commander James (Jim) Lovell Jr., Command Module Pilot John Swigert Jr. and Lunar Module Pilot Fred Haise Jr.Thanks to Stephen Slater and Ben Feist/Apollo in Real Time (apolloinrealtime.org/13) for providing additional footage and audio. Thanks for Andy Saunders for providing additional enhanced images.
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Ariane 6 launch complex – March 2020
Take a tour of the Ariane 6 launch complex and its various facilities filmed on 1 March 2020 at Europe’s Spaceport in French Guiana.
The 8200 tonne 90 metre-high mobile gantry stands over the launch pad. Take a look at the bogies that moved it there. Inside stand two mock-ups of the P120C boosters flanked by work platforms that will enable engineers to access the launch vehicle.
Delve deep under the launch table structure to see engineers working on the launch support systems.
Outside, tour past the liquid hydrogen and oxygen stores and on up to the assembly building where a mock-up of the Ariane 6 core stage is waiting at the entrance. Close by are additional service facilities, and the pumping station that will provide the water to quell the exhaust from the motors at liftoff.
Learn more about Ariane 6: http://bit.ly/esaAriane6
Credits: CNES/ESA
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Apollo 13: Home Safe
“Houston, we’ve had a problem.” Apollo 13 has become known as “a successful failure” that saw a safe return of the crew in spite of a catastrophic explosion in the middle of their lunar journey. This 30-minute documentary features interviews with Apollo 13 Astronauts Jim Lovell and Fred Haise, as well as Flight Directors Gene Kranz and Glynn Lunney, with engineer Hank Rotter. Parts of their interviews take place in the restored Apollo mission control room. This documentary also features original NASA footage and newly synchronized audio from Mission Control.
Thanks to Stephen Slater and Ben Feist/Apollo in Real-Time (apolloinrealtime.org/13) for providing additional footage and audio.
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A Warm Welcome for the Space Station’s New Crew on This Week @NASA – April 10, 2020
New crew arrives safely at the space station, valuable microgravity research returns to Earth, and an update on our Commercial Crew Program … a few of the stories to tell you about – This Week at NASA!
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-A%20Warm%20Welcome%20for%20the%20Space%20Stations%20New%20Crew%20on%20This%20Week%20@NASA%20April%2010,%202020
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Expedition 63 Launch to the International Space Station
Three space travelers launched to the International Space Station aboard a Soyuz spacecraft.🚀 Astronaut Chris Cassidy of NASA and cosmonauts Anatoly Ivanishin and Ivan Vagner of the Russian space agency Roscosmos lifted off at 4:05 a.m. EDT on a four-orbit, six-hour journey to our orbiting laboratory.
This is the third spaceflight for both Cassidy and Ivanishin and the first for Vagner. During their mission on the station, they’ll welcome NASA’s Bob Behnken and Doug Hurley aboard the SpaceX Crew Dragon, which is currently targeted to launch no earlier than mid-to-late May.
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A Universe of Possibilities to Explore at Home on This Week @NASA – April 3, 2020
You, plus “NASA at Home” equals a universe of possibilities, the first delivery service selected for our lunar Gateway, and an astronaut added to a future Commercial Crew flight … a few of the stories to tell you about – This Week at NASA!
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-NHQ_2020_0403_A%20Universe%20of%20Possibilities%20to%20Explore%20at%20Home%20on%20This%20Week%20@NASA%20–%20April%203,%202020
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Earth from Space: Finistère
The Copernicus Sentinel-2 mission takes us over Finistère – a French department in the west of Brittany, in this week’s edition of the Earth from Space programme.
Download the image: http://www.esa.int/ESA_Multimedia/Images/2020/04/Finistere_France
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#Finistère -
NASA Live: Earth Views from the Space Station
Currently, live views from the International Space Station (ISS) are streaming from an external camera mounted on the ISS module called Node 2. Node 2 is located on the forward part of the ISS. The camera is looking forward at an angle so that the International Docking Adapter 2 (IDA2) is visible. If the Node 2 camera is not available due to operational considerations for a longer period of time, a continuous loop of recorded HDEV imagery will be displayed. The loop will have “Previously Recorded” on the image to distinguish it from the live stream from the Node 2 camera. After HDEV stopped sending any data on July 18, 2019, it was declared, on August 22, 2019, to have reached its end of life.
Thank you to all who shared in experiencing and using the HDEV views of Earth from the ISS to make HDEV so much more than a Technology Demonstration Payload!
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Luca Parmitano blows out his virtual candle on the Astro Pi
During Luca’s Mission Beyond, we sent warm wishes to the astronaut on his birthday (27 September) onboard the ISS by gifting a virtual candle to blow out on an Astro Pi.
Astro Pi computers come with a set of sensors and gadgets that can be used to run great scientific experiments by means of computer coding. This set of sensors is called ‘Sense HAT’ (that stands for ‘Hardware Attached on Top’).
The Sense HAT add-on board was specially created for the Astro Pi competition. The board gives Astro Pi the ability to ‘sense’ and make many kinds of measurements, from temperature to movement, and to output information using a special display – the 8×8 LED matrix. The Astro Pis are also equipped with a joystick and buttons – just like a videogame console!
Learn more about Astro Pi: http://bit.ly/AstroPiESA
Copyright: ESA/NASA
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Explore the Universe with NASA at Home
Be your own explorer with NASA TV weekdays at 10 a.m. and 4 p.m. EDT.
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Visita alla toilette della Stazione Spaziale Internazionale
L’astronauta dell’ESA Samantha Cristoforetti ci mostra come usare la parte meno affascinante, ma di cui spesso si chiede, della vita sulla Stazione Spaziale Internazionale: il bagno.
Un ventola crea aspirazione per evitare cattivi odori e il galleggiamento dei rifiuti. I rifiuti solidi vengono immagazzinati e caricati sulle navette cargo che bruciano quando il veicolo spaziale lascia la Stazione Spaziale. L’urina dell’astronauta viene riciclata – in acqua potabile.
Seguite Samantha su https://samanthacristoforetti.esa.int
English version here: https://www.youtube.com/watch?v=C-65mBQ7s_Q
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On Flickr: http://bit.ly/ESAonFlickrWe are Europe’s gateway to space. Our mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out http://www.esa.int/ESA to get up to speed on everything space related.
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#AskLuca: colds and flu in space
ESA astronaut Luca Parmitano spent 201 days in orbit as part of his Beyond mission to the International Space Station. In this clip, he discusses how astronauts manage the risk of colds and flu on the International Space Station.
This question was asked on social media and is part of a larger interview for the Beyond series of the ESA Explores podcast. The full podcast episode is available via all major podcast platforms including:
Podbean: http://bit.ly/ESAexploresPodbean
Apple Podcasts: http://apple.co/ESAexplores
Stitcher: http://bit.ly/ESAexploresStitcher
Spotify: http://spoti.fi/ESAexploresSpotify
SoundCloud: http://bit.ly/SoundcloudESAFor more about Luca Parmitano and his Beyond mission, visit the Exploration blog: https://blogs.esa.int/exploration/
Follow Luca: http://bit.ly/ESALucaParmitano
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On Flickr: http://bit.ly/ESAonFlickrWe are Europe’s gateway to space. Our mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out http://www.esa.int/ESA to get up to speed on everything space related.
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The Impact of Coronavirus to NASA’s Missions on This Week @NASA – March 27, 2020
The impact of coronavirus to NASA’s missions, prelaunch training continues for the next space station crew, and launch preparations for Orion … a few of the stories to tell you about – This Week at NASA!
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-NASA_2020_0327_The%20Impact%20of%20Coronavirus%20to%20NASA%E2%80%99s%20Missions%20on%20This%20Week%20@NASA%20%E2%80%93%20March%2027,%202020
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#SpaceConnectsUs live online event | Timestamps in the description
🇳🇱Jump to the Dutch section: 0:57:50
🇩🇪Jump to the German section: 1:57:57
🇮🇹Jump to the Italian section: 2:57:44
🇫🇷Jump to the French section: 3:57:50
🇬🇧Jump to the English section: 4:58:41Asteroid Day and the European Space Agency connected Europe and the world with astronauts, scientists and performers bringing a message of hope and support for those facing the global Coronavirus crisis.
This online programme was broadcast sequentially in Dutch, German, Italian, French and English to inspire armchair explorers everywhere.
Featuring
André Kuipers, Frank De Winne, Matthias Maurer, Alexander Gerst, Thomas Reiter, Samantha Cristoforetti, Jean-François Clervoy, Thomas Pesquet, Timothy Peake, Rusty Schweickart, Nicole Stott, Tom Jones, Dumitru-Dorin Prunariu, Anousheh AnsariSpecial guests
Gianluca Masi, Jan Wörner, Mayim Bialik, Murad Osmann, Alison Pill, Paulina Chávez, Angélique Kidjo, Grig RichtersModerators
Sander Koenen, Ranga Yogeshwar, Rossella Panarese, Bruce Benamran, Brian CoxFull details via http://www.spaceconnects.us
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On Flickr: http://bit.ly/ESAonFlickrWe are Europe’s gateway to space. Our mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out http://www.esa.int/ESA to get up to speed on everything space related.
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Artemis Update: A Year of Progress on Returning to the Moon
Our Artemis program will return U.S. astronauts to the surface of the Moon, a goal announced by Vice President Mike Pence on March 26, 2019. Take a look at all we’ve accomplished since then, from testing our Orion spacecraft and building our Space Launch System rocket to graduating a new Artemis Generation class of astronauts and creating partnerships with private industry.
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At home with astronauts: Matthias Maurer
Like many people around the world, ESA astronaut Matthias Maurer is adjusting to a new normal. Find out how he is spending his time at home during the COVID-19 outbreak, along with a few tips on how to gain inspiration from isolation.
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Learn more about Matthias: http://bit.ly/MatthiasMaurerESA
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On Flickr: http://bit.ly/ESAonFlickrWe are Europe’s gateway to space. Our mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out http://www.esa.int/ESA to get up to speed on everything space related.
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Paxi on the ISS: Recycling air and water
Our alien friend Paxi went to visit American astronaut Joe Acaba on board the International Space Station. Joe explains how the ISS recycles air and water.
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On Flickr: http://bit.ly/ESAonFlickrWe are Europe’s gateway to space. Our mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out http://www.esa.int/ESA to get up to speed on everything space related.
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NASA Live: Earth Views from the Space Station
Currently, live views from the International Space Station (ISS) are streaming from an external camera mounted on the ISS module called Node 2. Node 2 is located on the forward part of the ISS. The camera is looking forward at an angle so that the International Docking Adapter 2 (IDA2) is visible. If the Node 2 camera is not available due to operational considerations for a longer period of time, a continuous loop of recorded HDEV imagery will be displayed. The loop will have “Previously Recorded” on the image to distinguish it from the live stream from the Node 2 camera. After HDEV stopped sending any data on July 18, 2019, it was declared, on August 22, 2019, to have reached its end of life.
Thank you to all who shared in experiencing and using the HDEV views of Earth from the ISS to make HDEV so much more than a Technology Demonstration Payload!
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Addressing the Coronavirus Pandemic on This Week @NASA – March 20, 2020
NASA addresses the coronavirus pandemic, some online material to stay connected with NASA, and more testing with our Orion spacecraft … a few of the stories to tell you about – This Week at NASA!
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-NHQ_2020_0320_Addressing%20the%20Coronavirus%20Pandemic%20on%20This%20Week%20@NASA%20%E2%80%93%20March%2020,%202020
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Earth from Space: Kuwait
The Copernicus Sentinel-2 mission takes us over Kuwait in the Middle East, in this week’s edition of the Earth from Space programme.
Download the image: https://www.esa.int/ESA_Multimedia/Images/2020/03/Kuwait
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#BeAnAstronaut: Why Did You Want to Be an Astronaut?
To explore the unknown. To be part of a team. A love of science, math, engineering and technology.
We asked our newest graduates why they wanted to #BeAnAstronaut. It turns out, there isn’t just one reason. What will be yours? Applications are open until March 31, 2020: https://www.nasa.gov/astronauts -
Nitrogen dioxide emissions over China
This animation, using data from the Copernicus Sentinel-5P satellite, shows the nitrogen dioxide emissions from 20 December 2019 until 16 March 2020 – using a 10-day moving average. The drop in emissions in late-January is visible, coinciding with the nationwide quarantine, and from the beginning of March, the nitrogen dioxide levels have begun to increase.
Learn more: http://bit.ly/COVID19NitrogenDioxideOverChina
Credits: contains modified Copernicus Sentinel data (2019-20), processed by ESA, CC BY-SA 3.0 IGO
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NASA Remembers Apollo Astronaut Al Worden
NASA astronaut Al Worden has died at the age of 88.
Worden served as command module pilot for Apollo 15 with Dave Scott and Jim Irwin. During the mission Worden became the first human to carry out a deep space walk. He logged 38 minutes in extravehicular activity outside the command module, “Endeavour.”
During 1972-1973, Worden was Senior Aerospace Scientist at the NASA Ames Research Center, and from 1973 to 1975, he was chief of the Systems Study Division at Ames.
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-al%20worden_fixed
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Una visita ai servizi igienici della Stazione Spaziale Internazionale
Unitevi all’astronauta ESA Samantha Cristoforetti mentre ci mostra come si lavano gli astronauti a bordo della Stazione Spaziale Internazionale.
Dalla saponetta all’acqua e al tagliarsi le unghie, tutto è diverso nello spazio. Samantha ci mostra il suo modo di ‘fare la doccia’ che dipende da quanto tempo ha a disposizione.
Gli astronauti sulla Stazione Spaziale dedicano il maggior tempo possibile alla scienza. Durante la sua settimana lavorativa di 40 ore, Samantha ha eseguito molti esperimenti dell’Agenzia Spaziale Italiana ASI e dell’ESA, e partecipato ad ancora più esperimenti degli scienziati di tutto il mondo.
Samantha ha vissuto e lavorato a bordo della Stazione Spaziale Internazionale come membro dell’equipaggio di sei delle Spedizioni 42 e 43. Potete rivedere la sua missione Futura nelle pagine dedicate http://samanthacristoforetti.esa.int.
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How to cope during social distancing with Thomas Pesquet
ESA astronaut Thomas Pesquet gives us some advice on what to do during a period of social distancing like the one many of us have to endure during the COVID-19 outbreak.
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Credits: ESA/T. Pesquet
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The Next Space Station Crew Trains for Launch on This Week @NASA – March 13, 2020
The next space station crew trains for launch, a SpaceX Dragon delivers more science, and celebrating the life of Katherine Johnson … a few of the stories to tell you about – This Week at NASA!
This video is available for download from NASA’s Image and Video Library: https://images.nasa.gov/details-NHQ_2020_0313_The%20Next%20Space%20Station%20Crew%20Trains%20for%20Launch%20on%20This%20Week%20@NASA%20%E2%80%93%20March%2013,%202020
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Coronavirus: nitrogen dioxide emissions drop over Italy
New data from the Copernicus Sentinel-5P satellite reveal the decline of air pollution, specifically nitrogen dioxide emissions, over Italy. This reduction is particularly visible in northern Italy which coincides with its nationwide lockdown to prevent the spread of the coronavirus.
The animation shows the fluctuation of nitrogen dioxide emissions across Europe from 1 January 2020 until 11 March 2020, using a 10-day moving average. These data are thanks to the Tropomi instrument on board the Copernicus Sentinel-5P satellite which maps a multitude of air pollutants around the globe.
Claus Zehner, ESA’s Copernicus Sentinel-5P mission manager, comments, “The decline in nitrogen dioxide emissions over the Po Valley in northern Italy is particularly evident.
“Although there could be slight variations in the data due to cloud cover and changing weather, we are very confident that the reduction in emissions that we can see, coincides with the lockdown in Italy causing less traffic and industrial activities.”
Josef Aschbacher, ESA’s Director of Earth Observation Programmes, says, “Copernicus Sentinel-5P Tropomi is the most accurate instrument today that measures air pollution from space. These measurements, globally available thanks to the free and open data policy, provide crucial information for citizens and decision makers.”
The coronavirus disease (COVID-19) was recently declared a pandemic by the World Health Organisation, with more than 125 000 current cases of the disease reported globally. In Italy, the number of coronavirus cases drastically soared making it the country with the largest number of cases outside of China.
In an attempt to reduce the spread of the disease, Italy’s Prime Minister Giuseppe Conte announced a lockdown of the entire country – closing schools, restaurants, bars, museums and other venues across the country.
The Sentinel-5 Precursor – also known as Sentinel-5P – is the first Copernicus mission dedicated to monitoring our atmosphere. The satellite carries the Tropomi instrument to map a multitude of trace gases such as nitrogen dioxide, ozone, formaldehyde, sulphur dioxide, methane, carbon monoxide and aerosols – all of which affect the air we breathe and therefore our health, and our climate.
Given the growing importance and need for the continuous monitoring of air quality, the upcoming Copernicus Sentinel-4 and Sentinel-5 missions, as part of the EU’s Copernicus programme, will monitor key air quality trace gases and aerosols. These missions will provide information on air quality, stratospheric ozone and solar radiation, as well as climate monitoring.
Credits: contains modified Copernicus Sentinel data (2020), processed by ESA, CC BY-SA 3.0 IGO
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