You Are Here: Scientists Unveil Precise Map Of More Than A Billion Stars
The European Space Agency has released a chart of the exact positions of many stars in the Milky Way and neighboring galaxies. But the map only shows a small fraction of what's out there.
by Nell Greenfieldboyce
Apr 25, 2018
2 minutes
Wednesday was the day astronomers said goodbye to the old Milky Way they had known and loved and hello to a new view of our home galaxy.
A European Space Agency mission called Gaia just released a long-awaited treasure trove of data: precise measurements of 1.7 billion stars.
It's unprecedented for scientists to know the exact
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