On November 30, 1954, Ann Hodges was napping on her couch in Alabama when a 4 kg stone punched through the roof, bounced off a radio and struck her hip. She escaped with a huge bruise. It remains one of the very few well-documented cases of a person being hit by a meteorite.
A large share of Earth's water molecules formed in the interstellar cloud that existed before the Sun was even born, more than 4.6 billion years ago. You are literally drinking a cosmic fossil.
By day, the Martian sky looks butterscotch because of fine dust hanging in the air. But at dusk, those same grains scatter blue light forward, creating a bluish glow around the Sun. Rovers have photographed these blue sunsets: the exact reverse of what we see on Earth.