An Asteroid has Been Discovered That Crosses Mercury’s Orbit

Astronomers have spotted the fastest-ever asteroid orbiting Sun — and at times, it gets closer to the Sun than the planet Mercury. Asteroid 2021 PH27 was discovered earlier this month, and it has the shortest orbital period of any known asteroid in the Solar System. The orbit of the approximately 1-kilometer-diameter asteroid brings it as … Continue reading An Asteroid has Been Discovered That Crosses Mercury’s Orbit