The Dawn orbited Vesta for nearly a year, before heading to the dwarf planet Ceres about 3.1 billion miles (4.9 billion kilometers) away, according to Space.com.
The Earth has been hit by asteroids for nearly a billion years now, but our planet's atmosphere has succeeded in stopping most of them from bringing about a catastrophe.
This image of Jupiter's turbulent southern hemisphere was captured by NASA's Juno spacecraft as it performed its most recent close flyby of the gas giant planet on Dec. 21, 2018.
Scientists at the Johns Hopkins University's Applied Physics Laboratory is apparently planning to explore Saturn's moon Titan by landing a drone in its surface