Europe's leading space telescope is running low on fuel and will collect data for the last time on Wednesday. The research data will be available for years.
The Gaia space telescope, launched by the European Space Agency (ESA) in December 2013 with the aim of creating a detailed three-dimensional map of the Milky Way galaxy, has observed about 2 ...
While Gaia can't directly spot the dim companions of these stars, the space telescope was able to infer their presence. This is because when a brown dwarf, or small star in general, orbits a ...