Students identify the different types of meteorite using an interactive website. In this earth science lesson, students simulate how meteors crash on a surface. They relate meteor size to crater size.

Did you know that there is millions of man-made "space junk" floating in orbit? This game will have you collecting space junk but you have to be careful not collect any objects that should be in space!

This video segment adapted from NASA uses animation to illustrate the properties of meteor showers and comets. Included is are visualizations of a comet's tail and of Earth passing through a debris stream left behind by meteoroids.

How do astronomers collect stardust? They design and build satellites that are launched into space to collect particles on specially designed panels. Satellites can be sent to orbit around an object of interest: a planet, moon, or comet....