Even though more than 200 asteroid impact craters have discovered on earth, this is only for the second time that an impact crater is being discovered under ice sheets
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.
Aside from this, the fact that NASA's OSIRIS-REx is orbiting around Bennu at only just over a mile (1.6 kilometers) makes its close orbital distance record-breaking.
Oumuamua which is less than half a mile in length is now farther away from our sun than the Jupiter and is traveling to the outskirts of the solar system.
The Spooky Asteroid or the Skull Asteroid will zoom by earth in November 2018 but this time the flyby won't occur exactly on Halloween day and will be less close to the planet.