A Mars Curiosity rover team lead at NASA’s Jet Propulsion Laboratory (JPL) writes in a forthcoming first-person narrative that the space agency as a whole “doesn’t do enough flight projects to forge a broad set of practical skills across.”
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.
