this article, embedded with incredible images and videos, from NASA's webpage to learn more.
Interested in this subject?
For more on remote sensing and observations of earth from space, check out the following titles in the Science Library:
Earth Observations from Space: the first 50 years of scientific achievement
Our Changing Planet: the view from space
Additionally, the following are available online as electronic resources:
Exploring space, exploring earth
Advances in earth observation of global change