The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.
Space, it’s full of surprises.
An object, discovered at the beginning of the year, was first thought to be an asteroid. But then it grew a tail.
Astronomers with the Mount Lemmon Survey in Arizona found Comet Lemmon (C/2025 A6) on Jan. 3. At that tim... [2919 chars]