Contrary to popular belief, a meteorite that has just landed does not arrive glowing. Its trip through the atmosphere lasts only seconds, so just a thin outer layer melts and is stripped away, leaving a black crust. The inside keeps the cold of space, and the slower final part of the fall cools it. It is often lukewarm or even cold.
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.