Gravity

A viral tweet repeating an old wives' tale about brooms only standing up on their own one day of the year has been disproven by an astronaut.

While scientists have known about black holes for decades, they’ve never actually been able to see one. As a black hole’s massive gravitational pull sucks everything, including light, towards it, scientists can only infer that they are present when mass is being sucked in a particular direction. The Event Horizon Telescope Collaboration team used telescopes from all over the world to capture the image.