Meteorite
From Tardis Wiki, the free Doctor Who reference
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 2009, the meteorite K67 almost impacted with the Earth, but this was averted. (SJA: Whatever Happened to Sarah Jane?)
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)