The idea that collisions with extraterrestrial objects have shaped the history of Earth has long fascinated scientists and other theorists.

Due to its unusual orbit and rapid variation in brightness, there was early speculation that it could be a man-made or even extraterrestrial object.

He says we need the political will to track large extraterrestrial objects, or we risk losing everything.

The oddest artifact there could be the Sylacauga meteorite, the largest known extraterrestrial object to strike a human being who survived.

I'd go as far as saying the whole planet and any extraterrestrial objects within our technological reach benefit from her not running.

In other countries, this term can also describe the distribution of elevations on the extraterrestrial object.

It tells of an island tribe held in thrall by an extraterrestrial object.

The Sylacauga meteorite is not the only extraterrestrial object to have struck a human.

As radar was being developed, astronomers considered its application in making observations of the Moon and other near-by extraterrestrial objects.

However, they may not accurately reflect values from samples from unusual locations or extraterrestrial objects, which often have more widely variant isotopic compositions.