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These two images, taken 11 hours apart with NASA’s Hubble Space Telescope, reveal two nearly opposite sides of Mars. Hubble snapped these photos in 2003 as the red planet was making its closest approach to Earth in nearly 60,000 years. In the... (View More)

Keywords: Mars
Audience: Middle school, Informal education
Materials Cost: Free

In this activity, students consider the sudden release of a tremendous amount of kinetic energy when an extraterrestrial object strikes the Earth. In small groups, they study satellite images that show possible evidence of impact events. To... (View More)

This lithograph shows an image of Mars on the front, with informational text on the back about how the Hubble Space Telescope (HST) has been used to study Mars weather. HST took this image on March 30, 1997, just as it was making a close pass to... (View More)

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