Physics
Gaia’s new star map will also reveal asteroids and dark matter
The Gaia satellite's main mission may be to map the stars in our home galaxy, but its extracurricular plans are just as thrilling
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The Gaia satellite's main mission may be to map the stars in our home galaxy, but its extracurricular plans are just as thrilling
A spherical abyss in our galaxy looks to be caused by a lightweight gas cloud smashing through it. The finding could tell us more about how stars form