The European Space Agency (ESA) released the largest ever full-sky survey this week, it contains around two million stars, which they have mapped out with names, distances and motions.

The agency hopes to catalog more than one billion stars with their Gaia satellite in the coming year, which was originally launched in December 2013, and provided the two million star catalog during its first 14 months of operation.

This map includes images of galaxies, open clusters, and globular clusters that are within our celestial neighbourhood.


SA’s Director of Science said the following about it in a recent press release:

“Gaia is at the forefront of astrometry, charting the sky at precisions that have never been achieved before, today’s release gives us a first impression of the extraordinary data that await us and that will revolutionize our understanding of how stars are distributed and move across our Galaxy.”

Timo Prusti, Gaia project scientist at ESA also added the following:

“The beautiful map we are publishing today shows the density of stars measured by Gaia across the entire sky, and confirms that it collected superb data during its first year of operations.”


It’s exciting news and it will certain be interesting to see how this develops in the future.

You can read more about it at the source link below.

Source: ESA

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