Meteorite

An meteorite is an object from space, usually rock, that survives an impact with Earth's surface.

Elizabeth Shaw was an expert on meteorites. (DW: Spearhead from Space)

In 2007, Sex Gas came to Earth in an meteorite which fell near Cardiff. (TW: Day One)

In the late 21st century, Space Station W3 warned spacecraft of meteorite storms. (DW: The Wheel in Space)

In the late 22nd century, the Daleks used meteorites to spread a plague on Earth prior to their invasion six months later. (DW: The Dalek Invasion of Earth)

The meteorite K67 could have destroyed the Earth in 2009, but was averted. (SJA: Whatever Happened to Sarah Jane?)