universetoday.com
Keeping An Eye On Gaia - Universe Today
Gaia, ESA’s long-anticipated mission to map the stars of our galaxy (as well as do a slew of other cool science things) is now tucked comfortably in its position in orbit around Earth-Moon L2, a gravitationally stable spot in space 1.5 million km (932,000 miles) away. Once its mission begins in earnest, Gaia will watch about … Continue reading "Keeping An Eye On Gaia"