nasa.gov

ANEAn TIL that 27 million tons of dust from the Sahara Desert fall on the Amazon basin annually and 43 million tons settles over the Caribbean Sea.
Y74Wd TIL that there's a planet called HD 189733b where it rains glass sideways at 5,400 mph. The planet's blue color doesn't come from oceans like Earth—it comes from silicate (glass) particles in a "blow-torched" atmosphere with temperatures over 1,000°C.
LQPwZ TIL about Lunar Lander Research Vehicle LLRV piloted by Neil Armstrong on Earth to simulate Moon's gravity