Space on MSN

Gaia mission measures metals in Milky Way stars

Milky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. [Gaia spacecraft: Mapping the ...
Morning Overview on MSN

Does the Milky Way really wobble through space like a giant spinning top?

The Milky Way is not the serene, flat disc that textbook illustrations suggest. Astronomers have confirmed that the outer ...