Is it dusty in here or is it just the 14 tons of meteorite dust that settles to Earth every day?

How much dust from comets and asteroids do you think finds its way to our fair planet and falls to the ground every year?

Go ahead, guess. A ton? Ten tons?

New research looking at micrometeorites — literally microscopic bits of meteorites, particles of rocks and metals from space that fall to Earth — shows that about 5,200 tons of this cosmic debris settles onto the ground every year. 5.2 million kilos per annum, or about 14 tons per day. At least. That's equivalent to the mass of a garbage tr...