Gaia's first year of scientific observations25 August 2015
Gaia's first year of scientific observations25 August 2015 Last Friday, 21 August, ESA’s billion-star surveyor, Gaia, completed its first year of science observations in its main survey mode.
Counting stars with Gaia03 July 2015
Counting stars with Gaia03 July 2015 This image, based on housekeeping data from ESA’s Gaia satellite, is no ordinary depiction of the heavens. While the image portrays the outline of our Galaxy, the Milky Way, and of its neighbouring Magellanic Clouds, it was obtained in a rather unusua...
Gaia discovers its first supernova12 September 2014
Gaia discovers its first supernova12 September 2014 While scanning the sky to measure the positions and movements of stars in our Galaxy, Gaia has discovered its first stellar explosion in another galaxy far, far away.
Gaia: ‘Go’ for science29 July 2014
Gaia: ‘Go’ for science29 July 2014 Following extensive in-orbit commissioning and several unexpected challenges, ESA’s billion-star surveyor, Gaia, is now ready to begin its science mission.
Gaia comes into focus06 February 2014
Gaia comes into focus06 February 2014 ESA’s billion-star surveyor Gaia is slowly being brought into focus. This test image shows a dense cluster of stars in the Large Magellanic Cloud, a satellite galaxy of our Milky Way.
The experts behind Gaia's arrival at nothingness15 January 2014
The experts behind Gaia's arrival at nothingness15 January 2014 With a final, modest, thruster burn yesterday afternoon, ESA’s billion-star surveyor finalised its entry into orbit around ‘L2’, a virtual point far out in space. But how do you orbit nothing? And who can show you how to get there, anyway?