The Gaia satellite has discovered a unique binary system where one star is 'eating' the other, but neither star has any hydrogen, the most common element in the Universe.
Gaia UK news
Today (19 December 2014) is the first anniversary of Gaia's launch. To mark this occassion ESA asked six members of the Data Processing and Analysis Consortium (DPAC) to share their memories of the launch and the commissioning.
Page last updated: 01 July 2014