The celestial object known as 3552 Don Quixote is classified as an asteroid, but researchers have long believed it to be a "dead" comet stripped of its ices. But Don Quixote is actually a live, sopping wet comet, a new study reports.
The celestial object known as 3552 Don Quixote is classified as an asteroid, but researchers have long believed it to be a "dead" comet stripped of its ices. But Don Quixote is actually a live, sopping wet comet, a new study reports.