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eso.org
wLxQ8
TIL if you stand on Mercury, experiencing a day, from sunrise to sunrise, will take two full orbits around the sun, and three full rotations of the planet.
awdD9
TIL researchers have observed that the rotation axes of the central supermassive black holes in a sample of quasars are parallel to each other over distances of billions of light-years. The rotation axes of these quasars tend to be aligned with the vast structures in the cosmic web.
5EP8
TIL That the dinosaurs far pre-date Betelgeuse, one of the brightest and most famous stars in the night sky. In fact the star was born around the same time as pre-humans walked the Earth