The future of the Orion constellation

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This video reveals how our view of the Orion constellation will evolve over the next 450 000 years.

Amid a myriad of drifting stars, the shape of Orion as defined by its brightest stars is slowly rearranged into a new pattern as time goes by.

The portion of the sky depicted in the video measures 40 x 20º – as a comparison, the diameter of the full Moon in the sky is about half a degree.

The video is based on data from ESA’s Gaia and Hipparcos satellites, as well as additional information from ground-based observations.

A speeded-up version of the video is available here: http://sci.esa.int/gaia/59209

Full story: The future of the Orion constellation http://www.esa.int/Our_Activities/Space_Science/Gaia/The_future_of_the_Orion_constellation

The evolution of two million stellar positions on the entire sky is shown here: https://www.youtube.com/watch?v=87lgSRVUSxM

Copyright: ESA/Gaia/DPAC CC BY-SA 3.0 IGO: https://creativecommons.org/licenses/by-sa/3.0/igo/

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