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September 14, 2016 04:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/IijiiQiXwGE/europe-has-added-11-billion-stars-to-its-milky-way-map
Europe Has Added 1.1 Billion Stars To Its Milky Way Map
Ben Sullivan, writing for Motherboard: The European Space Agency (ESA) has released the first batch of data from its Gaia star mapping project -- a mission that is currently on track to chart one billion stars in the Milky Way. The space telescope launched in 2013 and its first data dump contains the precise celestial position and brightness of a mammoth 1,142 million stars. The release also contains the distances and movements for more than two million stars so far. ESA's director of science Alvaro Gimenez told a press conference held at the European Space Astronomy Centre in Spain on Wednesday morning that the data release features around 490 billion astrometric, 118 billion photometric, and 10 billion spectroscopic measurements. "[The] Final survey will contain [around] 250,000 Solar System Objects, 1,000,000 galaxies, and 500,000 quasars," said Gimenez. Those numbers are almost unimaginable, but ESA has used the data so far to form an "all-sky" view of the stars in our galaxy and neighbouring galaxies, based on Gaia's observations from July 2014 to September 2015.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/IijiiQiXwGE/europe-has-added-11-billion-stars-to-its-milky-way-map
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