What is your favorite space robot? How about stalwart Opportunity, still doing Martian science 11 years after its mission was supposed to end? Canadarm2 is another strong candidate: The 58-foot-long, seven-jointed robot put the International Space Station together, grappling from module to module like a slo-mo ninja warrior. Or maybe you’re more of a humanoid C-3PO fan. In that case, there’s the R5, a bipedal droid from NASA that can do all the repetitive and dangerous things that humans are too busy, bored, or susceptible to radiation to perform. Well, in theory.
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.
