The European Space Agency's ExoMars 2018 rover was tested in the Netherlands on Oct. 28th and 29th, 2015. The rover was commanded to roll off its mock-up landing platform by mission controllers located at their command center hundreds of miles away.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.