What if Earth and the Moon Were Hit by Twin Asteroids?
ES2506  Ancient History

You may have heard the phrase "Time heals all wounds." In some ways, this applies to planetary surfaces. Many processes work over time to erase craters and other evidence of asteroid impacts. This animation shows how the surfaces of Earth and the moon have changed over the past 600 million years.

  !   Click the image to see the animation.

USGS/NASA/TERC
Changes on the surface of Earth and the moon over the past 600 million years.
5. Describe the surface processes that work to erase craters and other impact features on Earth and the moon.

 Step:   1   2   3   4   5   6   7   8