Here’s How You Can See a Once-in-a-Lifetime Comet Streak Past Earth
NASA defines comets as “frozen leftovers from the formation of the solar system composed of dust, rock, and ices,” earning them the nicknames “icy dirtball” and “dirty snowball."
NASA defines comets as “frozen leftovers from the formation of the solar system composed of dust, rock, and ices,” earning them the nicknames “icy dirtball” and “dirty snowball."