If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...
"I expect Gaia's best results are still to come." Night has fallen for the star-tracking European Space Agency (ESA) spacecraft, Gaia. The mission, which has been mapping the Milky Way for the ...
ESA's Gaia mission has discovered the closest and 2nd closest black holes to Earth found yet. In this animation, travel to latter, black hole Gaia BH2, and see what makes it unique. Credit: ...