And the answer is...

Shuttle

A meteoroid is a piece of stony or metallic material which travels in space. A meteor is a piece of stony or metallic material which enters the Earth's atmosphere and burns up. A meteorite is a meteor which doesn't burn up before impacting with the Earth's surface.

Shuttle

The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), within the Astrophysics Science Division (ASD) at NASA/ GSFC.

StarChild Authors: The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Curator: J.D. Myers
Responsible NASA Official: Amber Straughn