Tag: Solar Orbiter

  • See and hear three years of solar fireworks

    See and hear three years of solar fireworks

    At the start of this new year, close-up pictures and solar flare data that the ESA-led Solar Orbiter mission has been recording for more than three years. See and hear for yourself how the number of flares and their intensity increase, a clear sign of the Sun approaching the peak of the 11-year solar cycle.

    This video combines ultraviolet images of the Sun’s outer atmosphere (the corona, yellow) taken by Solar Orbiter’s Extreme Ultraviolet Imager (EUI) instrument, with the size and locations of solar flares (blue circles) as recorded by the Spectrometer/Telescope for Imaging X-rays (STIX) instrument. The accompanying audio is a sonification based on the detected flares and the spacecraft’s distance to the Sun.

    Solar Orbiter moves on an elliptical path around the Sun, making a close approach to our star every six months. We can see this in the video from the spacecraft’s perspective, with the Sun moving closer and farther over the course of each year. In the sonification, this is represented by the low background humming that loudens as the Sun gets closer and becomes quieter as it moves further away. (There are some abrupt shifts in distance visible in the video, as it skips over dates where one or both instruments were inactive or collecting a different type of data.)

    The blue circles represent solar flares: bursts of high-energy radiation of which STIX detects the X-rays. Flares are sent out by the Sun when energy stored in ‘twisted’ magnetic fields (usually above sunspots) is suddenly released. The size of each circle indicates how strong the flare is, with stronger flares sending out more X-rays. We can hear the flares in the metallic clinks in the sonification, where the sharpness of the sound corresponds to how energetic the solar flare is.

    Many thanks to Klaus Nielsen (DTU Space / Maple Pools) for making the sonification in this video. If you would like to hear more sonifications and music by this artist, please visit: https://linktr.ee/maplepools
    Solar Orbiter is a space mission of international collaboration between ESA and NASA, operated by ESA.

    —————————————————
    Credits
    Credit: ESA & NASA/Solar Orbiter/EUI & STIX, Klaus Nielsen (DTU Space/Maple Pools)
    Acknowledgements: Data processing for video by Laura Hayes
    License: CC BY-SA 3.0 or ESA Standard License

    Video credit slate
    Solar Orbiter animation: ESA
    Sun images: ESA & NASA/Solar Orbiter/EUI
    Solar flare data: ESA & NASA/Solar Orbiter/STIX
    Data processing for video: Laura Hayes
    Data sonification & music: Klaus Nielsen (DTU Space/Maple Pools)
    —————————————————

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    #ESA #SolarOrbiter #Sun

  • What happens during the Sun’s 11-year cycle? ☀️ #shorts

    What happens during the Sun’s 11-year cycle? ☀️ #shorts

    The Sun’s 11-year solar cycle is more than just a cosmic dance 🌞

    It shapes space weather and impacts life on Earth! From dazzling auroras to powerful solar flares, its activity keeps us on our toes.

    📹 ESA – European Space Agency
    📸 SOHO (ESA & NASA)

    #ESA #Sun #SolarCycle

  • Solar Orbiter’s highest-resolution full views of the Sun

    Solar Orbiter’s highest-resolution full views of the Sun

    Join us on a unique video tour of the Sun’s mesmerising surface. Thanks to its innovative instrumentation and a ‘daring’ trajectory passing close to the Sun, ESA’s Solar Orbiter spacecraft has obtained the highest-resolution full views of the Sun’s surface to date.

    Watching the Sun in visible light, Solar Orbiter reveals a grainy surface and dark sunspots. On the same day, the spacecraft mapped the Sun’s magnetic field, tracked how fast and in which direction scorching hot material on the surface is moving, and snapped a hypnotising image in ultraviolet light of the Sun’s upper atmosphere, the corona. All taken on the same day, the four new images shown in this video let us peel away the Sun’s many layers.

    The images were taken when Solar Orbiter was less than 74 million kilometres from the Sun; being so close meant each high-resolution image only covers a small portion of the Sun. To obtain the full-disc views showcased in the video, 25 images were stitched together like a mosaic. The Sun has a diameter of around 8000 pixels in the full mosaics, revealing an extraordinary amount of detail.

    Read more: https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/New_full_Sun_views_show_sunspots_fields_and_restless_plasma

    Credit: ESA – European Space Agency
    Acknowledgements: Sun images: ESA & NASA/Solar Orbiter/PHI and EUI Teams; Solar Orbiter spacecraft animation: ESA/ATG medialab; Voiceover: Juliet Hannay

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  • Tracking solar winds to its source 🌞💨 #shorts

    Tracking solar winds to its source 🌞💨 #shorts

    Hot damn, we found it! ☀️

    The source of the solar wind is no longer a mystery thanks to our trailblazing Solar Orbiter mission. This success opens a new way for solar physicists to study the source regions of the solar wind.

    🎥 ESA – European Space Agency
    📸 ESA & NASA /Solar Orbiter/EUI & SPICE

    #ESA #Sun #SolarWind

  • Uneventful events of the Sun ☀️ #shorts

    Uneventful events of the Sun ☀️ #shorts

    Coronal Mass Ejections or CMEs, are an eruption of around a billion tonnes of particles that comes from the solar atmosphere, the corona, and travels through the solar system. CMEs are an important part of ‘space weather’. The particles spark aurorae on planets with atmospheres, and can cause malfunctions in some technology. They can also be harmful to unprotected astronauts. So it is important to understand CMEs, and be able to track their progress.

    Credits: ESA – European Space Agency

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  • Our 2022 highlights 🗓️ #shorts

    Our 2022 highlights 🗓️ #shorts

    2022 was a year of many ‘firsts’ for space in Europe, seeing the first European female International Space Station commander, the launch of the first Vega-C rocket, the launch of the first Artemis mission working to bring humans back to the Moon, and first images from the James Webb Space Telescope among many other success stories and lessons learned.

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  • ESA Highlights 2022

    ESA Highlights 2022

    2022 was a year of many ‘firsts’ for space in Europe, seeing the first European female ISS commander, the launch of the first Vega-C rocket, Solar Orbiter’s first close encounter with our home star, the launch of the first Artemis mission working to bring humans back to the Moon, and first images from the James Webb Space Telescope.

    Let’s take a look at the highlights and accomplishments of the European Space Agency during 2022.

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  • Solar Orbiter speeds towards its next rendezvous with the Sun 🌞 #shorts

    Solar Orbiter speeds towards its next rendezvous with the Sun 🌞 #shorts

    This sequence was taken by Solar Orbiter’s Extreme Ultraviolet Imager using the Full Sun Imager telescope, and shows the Sun at a wavelength of 17 nanometers. This wavelength is emitted by gas in the Sun’s atmosphere with a temperature of around one million degrees. The colour on this image has been artificially added because the original wavelength detected by the instrument is invisible to the human eye.

    Credit: ESA & @NASA /Solar Orbiter/EUI Team

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  • Solar Orbiter solves magnetic switchback mystery #shorts

    Solar Orbiter solves magnetic switchback mystery #shorts

    Solar Orbiter has made the first ever remote sensing observation consistent with a magnetic phenomenon called a solar switchback – sudden and large deflections of the solar wind’s magnetic field. The new observation provides a full view of the structure, in this case confirming it has an S-shaped character, as predicted. Furthermore, the global perspective provided by the Solar Orbiter data indicates that these rapidly changing magnetic fields can have their origin near the surface of the Sun.

    Learn more: https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Solar_Orbiter_solves_magnetic_switchback_mystery

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    We 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 https://www.esa.int/ to get up to speed on everything space related.

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  • Can you spot the solar hedgehog? 🦔 #shorts

    Can you spot the solar hedgehog? 🦔 #shorts

    Solar Orbiter is a space mission of international collaboration between ESA and @NASA.

    Solar Orbiter’s closest approach to the Sun, known as perihelion, took place on 26 March. The spacecraft was inside the orbit of Mercury, at about one-third the distance from the Sun to the Earth, and its heatshield was reaching around 500°C. But it dissipated that heat with its innovative technology to keep the spacecraft safe and functioning.

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    #TheSunUpClose

  • ESA preview 2021

    ESA preview 2021

    As the world leaves behind the strange and challenging year of 2020, we look towards 2021 with a mixture of relief and expectation. And this is the same at ESA, where we look forward to a brighter and very exciting 2021. This year will see Vega-C making its maiden flight, two ESA astronauts start long-duration missions on board the International Space Station, and BepiColombo and Solar Orbiter continuing their voyages around the Solar System. Also this year, we will say farewell to our current Director General Jan Wörner as his tenure ends, while welcoming into office his successor, Josef Aschbacher.

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  • ESA highlights 2020

    ESA highlights 2020

    2020 has been another year of progress for ESA. The launch and commissioning of Solar Orbiter heralded a new era of space science, whilst Eutelsat Konnect revolutionised telecommunications. The new Vega SSMS began a cost-effective new launch system for small satellites, deploying exciting new technologies such as PhiSat and ESAIL. ESA’s Earth Observation activities were also showcased, with the launch of Sentinel-6 and an international effort to monitor the environmental and economic impact of COVID-19. Gaia and Cheops yielded new findings about our universe; ESA astronaut Luca Parmitano returned successfully from orbit. With a lunar programme agreement signed and new steps being taken to control debris, ESA is set to begin 2021 at the forefront of space exploration.

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  • Solar Orbiter first images revealed

    Solar Orbiter first images revealed

    ESA’s Solar Orbiter spacecraft has sent back its first images of the Sun. At 77 million kilometres from the surface, this is the closest a camera has ever flown to our nearest star. The pictures reveal features on the Sun’s exterior that have never been seen in detail before.

    Launched on 10 February 2020, the spacecraft completed its commissioning phase and first close-approach to the Sun in mid-June. Since then, science teams have been processing and examining this early data.

    The spacecraft is currently in its cruise phase, on its way to Venus, but will eventually get even closer to the Sun.

    Learn more: https://bit.ly/SolarOrbitersFirstImages

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  • Solar Orbiter sees ‘campfires’ on the Sun

    Solar Orbiter sees ‘campfires’ on the Sun

    The first images from ESA’s Solar Orbiter, captured around the spacecraft’s first close pass of the Sun, some 77 million kilometres from its surface, are already exceeding expectations revealing interesting new phenomena on our parent star.

    This animation shows a series of close-up views captured by the Extreme Ultraviolet Imager (EUI) at wavelengths of 17 nanometers, showing the upper atmosphere of the Sun, or corona, with a temperature of around 1 million degrees.

    These images reveal a multitude of small flaring loops, erupting bright spots and dark, moving fibrils. A ubiquitous feature of the solar surface, uncovered for the first time by these images, have been called ‘campfires’. They are omnipresent minuature eruptions that could be contributing to the high temperatures of the solar corona and the origin of the solar wind.

    Captured on 30 May 2020, when Solar Orbiter was roughly halfway between the Earth and the Sun, these are the closest views of the Sun ever taken, allowing EUI to see features in the solar corona of only 400 km across. As the mission continues, Solar Orbiter will go closer to the Sun and this will increase the instrument’s resolving power by a factor of two at closest approach.

    The colour on this image has been artificially added because the original wavelength detected by the instrument is invisible to the human eye.

    The circle in the lower left corner indicates the size of Earth for scale.

    The extended grey shape visible at times moving across the field (00:00-00:25; 01:00-01:28; 01:50-02:00; 02:52-03:27) is not a solar feature but is caused by a sensor artefact.

    Solar Orbiter is a space mission of international collaboration between ESA and NASA.

    Learn more: https://bit.ly/SolarOrbitersFirstImages

    Credit: Solar Orbiter/EUI Team (ESA & NASA); CSL, IAS, MPS, PMOD/WRC, ROB, UCL/MSSL

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  • Closer than ever: Solar Orbiter’s first views of the Sun

    Closer than ever: Solar Orbiter’s first views of the Sun

    The first images from ESA’s Solar Orbiter are already exceeding expectations and revealing interesting new phenomena on the Sun.

    This animation combines a series of views captured with several remote-sensing instruments on Solar Orbiter between 30 May and 21 June 2020, when the spacecraft was roughly halfway between the Earth and the Sun ¬– closer to the Sun than any other solar telescope has ever been before.

    The red and yellow images were taken with the Extreme Ultraviolet Imager (EUI) in the extreme ultraviolet region of the electromagnetic spectrum, at wavelengths of 30 and 17 nanometers, respectively.

    The close-up views by EUI show the upper atmosphere of the Sun, or corona, with a temperature of around 1 million degrees. With the power to see features in the solar corona of only 400 km across, these images reveal a multitude of small flaring loops, erupting bright spots and dark, moving fibrils. A ubiquitous feature of the solar surface, uncovered for the first time by these images, have been called ‘campfires’. They are omnipresent minuature eruptions that could be contributing to the high temperatures of the solar corona and the origin of the solar wind.

    The EUI images are followed by three views based on data from the Polarimetric and Helioseismic Imager (PHI) instrument. The blue and red view is a ‘tachogram’ of the Sun, showing the line of sight velocity of the Sun, with the blue side turning to us and the red side turning away. The following view is a magnetogram, or a map of magnetic propertied for the whole Sun, featuring a large magnetically active region in the lower right-hand quadrant of the Sun. The yellow-orange view is a visible light image and represents what we would see with the naked eye: there are no sunspots visible because the Sun is displaying only low levels of magnetic activity at the moment.

    On larger scales, the Metis coronograph blocks out the dazzling light from the solar surface, bringing the fainter corona into view. Metis observes the corona simultaneously in visible light (shown in green) and ultraviolet light (shown in red) for the first time with unprecedented temporal coverage and spatial resolution. These images reveal the two bright equatorial streamers and fainter polar regions that are characteristic of the solar corona during times of minimal magnetic activity.

    On even grander scales, the Heliospheric Imager (SoloHI) telescope takes images of the solar wind – the stream of charged particles constantly released by the Sun into outer space – by capturing the light scattered by electrons in the wind. The first-light image from SoloHI is shown at the end, as a mosaic of four separate images from the instrument’s four separate detectors. In this view, the Sun is located to the right of the frame, and its light is blocked by a series of baffles; the last baffle is in the field of view on the right-hand side and is illuminated by reflections from the solar array. The partial ellipse visible on the right is the zodiacal light, created by sunlight reflecting off the dust particles that are orbiting the Sun. The signal from the solar wind outflow is faint compared to the much brighter zodiacal light signal, but the SoloHI team has developed techniques to reveal it. Planet Mercury is also visible as a small bright dot near the lower edge of the upper left tile.

    Solar Orbiter is a space mission of international collaboration between ESA and NASA.

    Learn more: https://bit.ly/SolarOrbitersFirstImages

    Credit: Solar Orbiter/EUI Team; PHI Team; Metis Team; SoloHI Team /ESA & NASA

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  • Solar Orbiter launch highlights

    Solar Orbiter launch highlights

    Highlights from the preparation and liftoff of ESA’s Sun-exploring mission Solar Orbiter.

    Solar Orbiter lofted to space aboard the US Atlas V 411 rocket from NASA’s spaceport in Cape Canaveral, Florida at 04:03 GMT (05:03 CET) on 10 February 2020.

    An ESA-led mission with strong NASA participation, Solar Orbiter carries a set of ten instruments for imaging the surface of the Sun and studying the environment in its vicinity. The spacecraft will travel around the Sun on an elliptical orbit that will take it as close as 42 million km away from the Sun’s surface, about a quarter of the distance between the Sun and Earth. The orbit will allow Solar Orbiter to see some of the never-before-imaged regions of the Sun, including the poles, and shed new light on what gives rise to solar wind, which can affect infrastructure on Earth.

    More about Solar Orbiter: https://www.esa.int/solarorbiter

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    We 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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  • Solar Orbiter liftoff

    Solar Orbiter liftoff

    ESA’s new Sun-exploring mission Solar Orbiter lofted to space aboard the US Atlas V 411 rocket from NASA’s spaceport in Cape Canaveral, Florida at 04:03 GMT (05:03 CET) on 10 February 2020.

    Solar Orbiter, an ESA-led mission with strong NASA participation, carries a set of ten instruments for imaging the surface of the Sun and studying the environment in its vicinity. The spacecraft will travel around the Sun on an elliptical orbit that will take it as close as 42 million km away from the Sun’s surface, about a quarter of the distance between the Sun and Earth. The orbit will allow Solar Orbiter to see some of the never-before-imaged regions of the Sun, including the poles, and shed new light on what gives rise to solar wind, which can affect infrastructure on Earth.

    More about Solar Orbiter: https://www.esa.int/solarorbiter

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    We 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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  • Solar Orbiter launch preparations

    Solar Orbiter launch preparations

    ESA’s Solar Orbiter satellite in a cleanroom at the Astrotech payload processing facility near Kennedy Space Centre, Florida. The spacecraft is seen being mounted onto the payload adaptor ring and encapsulated into a fairing, which will protect the satellite and the rocket upper stage during the turbulent ascent through Earth’s atmosphere.

    Learn more about Solar Orbiter: http://bit.ly/ESASolarOrbiter

    The video was created with support from Airbus/Astrotech/ULA/NASA

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  • ESA’s missions to the Sun

    ESA’s missions to the Sun

    ESA’s new Sun-explorer, Solar Orbiter, will capture close-up images of never before seen regions of our parent star, including the poles, and study the electromagnetic environment in its vicinity. The cutting-edge spacecraft will get as close as 42 million kilometres away from the Sun, about a quarter of the distance between the Sun and Earth, and face scorching temperatures of up to 500°C.

    ESA has a long history of studying the Sun from space. Since the launch of Ulysses in 1990, the agency has led or cooperated on several Sun-exploring missions including SOHO, the Cluster quartet and Proba-2.

    Learn more about the Sun: http://bit.ly/LivingWithAStar

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  • Solar Orbiter operations simulations

    Solar Orbiter operations simulations

    ESA’s Solar Orbiter is getting ready for its launch on an Atlas V rocket provided by NASA and operated by United Launch Alliance from Cape Canaveral, Florida.

    Once in space, and over the course of several years, the spacecraft will repeatedly use the gravity of Venus and Earth to raise its orbit above the poles of the Sun, providing new perspectives on our star, including the first images of the Sun’s polar regions.

    All these operations will be controlled from the European Space Operations Centre (ESOC), Germany, where a dedicated team is currently working on simulations of the first moments in orbit, after separation from the launcher, but also all the delicate manoeuvres of the journey that will make Solar Orbiter mission possible.

    Learn more Solar Orbiter: http://bit.ly/ESASolarOrbiter

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  • Solar Orbiter – the Sun close-up

    Solar Orbiter – the Sun close-up

    ESA’s mission to the Sun, Solar Orbiter, is due for launch on an Atlas V 411 from Cape Canaveral, Florida on 9 February 23:03 EST / 04:03 GMT / 05:03 CET on 10 Feb.
     
    Equipped with a suite of ten scientific instruments, Solar Orbiter will capture the first images of the Sun’s poles and make detailed observations of solar activity. Its specially designed heatshield is capable of enduring temperatures of more than 500ºC.

    Solar Orbiter is a space mission of international collaboration between ESA and NASA. The spacecraft has been developed by Airbus.

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  • ESA Preview 2020

    ESA Preview 2020

    The year 2020 will see new and exciting European space missions, from journeys to the Sun and back to Mars, and from innovative telecommunications satellites to the continuing operation of Copernicus Earth observation satellites. The second ExoMars mission will see a  European rover on the ‘Red Planet’ and the ESA/NASA Solar Orbiter mission will be launched around the Sun. This year marks probably the last time an ESA astronaut flies on a Russian Soyuz spacecraft – future European astronaut flights are likely to be on the new US spacecraft, in particular the NASA Orion vehicles, which feature European-built Service Modules, now being prepared for flights to the Moon and beyond. The year also sees the first flight of ESA’s new Vega-C launcher from Europe’s Spaceport in French Guiana, where Ariane 6 operations are also taking shape for its first flight.

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  • ESA highlights 2019

    ESA highlights 2019

    As the year comes to a close, it is once again time to look back and reflect on some of the achievements and highlights of European spaceflight. The new Gaia star catalogue and the launch of Cheops are keeping ESA at the forefront of space science, as will Solar Orbiter, being prepared for launch next year. The Copernicus programme continues to be the largest Earth observation programme in the world, with ESA preparing even more missions. On the Space Station, Luca Parmitano became the third European to command an ISS expedition. During his second mission, he made some of the space programme’s most complex and demanding spacewalks. At the end of 2019, the ESA Space19+ ministerial conference agreed to give ESA its largest budget ever and expressed continued support for Europe’s independent access to space with Ariane 6 and Vega-C.

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  • Solar Orbiter

    Solar Orbiter

    Engineers have completed their testing of ESA’s Solar Orbiter spacecraft in preparation for launch early next year.

    Equipped with a suite of ten instruments, Solar Orbiter will capture the closest ever pictures of our star, the first images of its poles, and make detailed observations of solar activity. Its specially designed heatshield is capable of enduring temperatures of more than 500 degrees Celsius.

    Over the past year, Solar Orbiter has been undergoing a series of rigorous tests at the IABG test centre near Munich, Germany. The spacecraft is due to be packed into an Antonov cargo plane on 31 October for shipping to Florida. Launch on an Atlas 5 rocket from Cape Canaveral, is planned for February 2020.

    Learn more about Solar Orbiter: http://bit.ly/ESASolarOrbiter

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  • Testing Solar Orbiter

    Testing Solar Orbiter

    The Solar Orbiter spacecraft is undergoing important pre-launch tests at the IABG National Space Centre in Ottobrunn, Germany, ahead of its launch, scheduled for February 2020.

    The mission will study the Sun, but first the spacecraft must pass vibration, acoustic and shock tests. This will ensure the spacecraft can withstand the stresses of lift off and the extreme environments it will encounter while in orbit around the Sun – from the coldness of space, 150 million km away, to temperatures up to 500 ºC reached when it will be a mere 46 million km away, closer than Mercury.

    Solar Orbiter is an ESA-led mission with strong NASA participation. The spacecraft was built and is being tested by Airbus.

    This film contains interviews with César García, ESA Solar Orbiter Project Manager, and Ian Walters, Solar Orbiter Project Manager at Airbus Defence and Space.

    More information: http://bit.ly/GoodVibesForSolarOrbiter

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  • Space science: everything starts here

    Space science: everything starts here

    How did it all begin? What are the origins of our planet? To understand our place in the Universe we need to explore space. Find out how we’re doing this with ESA’s incredible fleet of space science missions to study our Sun and chart the stars around us, probe the dark matter and dark energy of the Universe, and tour various planets, moons and other small bodies in our Solar System.