Space: ESA / GAIA : The motion of two million stars – 5 Million years into the future

Space: ESA / GAIA : The motion of two million stars – 5 Million years into the future

Awesome Space: ESA / GAIA : The motion of two million stars – 5 Million years into the future

Published on Apr 12, 2017
This video shows the 2 057 050 stars from the TGAS sample, which was published as part of the first data release of ESA’s Gaia mission (Gaia DR1) on 14 September 2016, with the addition of 24 320 bright stars from the Hipparcos Catalogue that are not included in Gaia’s first data release. The stars are plotted in Galactic coordinates and using a rectangular projection: in this, the plane of the Milky Way stands out as the horizontal band with greater density of stars.

The video starts from the positions of stars as measured by Gaia between 2014 and 2015, and shows how these positions are expected to evolve in the future, based on the proper motions from TGAS. The frames in the video are separated by 750 years, and the overall sequence covers 5 million years. The stripes visible in the early frames reflect the way Gaia scans the sky and the preliminary nature of the first data release; these artefacts are gradually washed out in the video as stars move across the sky.

The shape of the Orion constellation can be spotted towards the right edge of the frame, just below the Galactic Plane, at the beginning of the video. As the sequence proceeds, the familiar shape of this constellation (and others) evolves into a new pattern. Two stellar clusters – groups of stars that were born together and consequently move together – can be seen towards the left edge of the frame: these are the alpha Persei (Per OB3) and Pleiades open clusters.

Credit: ESA/Gaia/DPAC

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0 Replies to “Space: ESA / GAIA : The motion of two million stars – 5 Million years into the future”

  1. Sorry but this is just made by computer, In that 5 million of years no supernovas, no collisions??? I just say that because in our galaxy just in the past 200 years has been a few nupersovas, star collisions….. And here in 5 millions of years nothing??? If it was just to show us the movement from stars, what's the point???? A bunch of lights moving around????. It should be better to show us a real galaxy and his move in the next 5 millions of years. Sorry if my comment is not liked but its my opinion.

  2. Looks cool&great but pretty pointless, I mean a human being only lives at most 100years in rare extreme cases,
    what difference does it make to us what the future will be in millions of years from now ? 😀

  3. When human thinks he is dust compared with earth …so earth is dust of the dust compared with our observed universe xD and time in universe not really relevenat … maaan to be immortal should suck 😀 lets create self learning self fixing self sustain AI robot and after few mil years he will suicide xD

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