This fabulous image of Mars shows the polar cap in the bottom-right corner.
Click on image for full size
This page is the start of the tour which explores the history of Mars' climate. Use the navigation button at the top of the page to move through the tour. To go to the next page, just press the forward link on the navigation button.
Shop Windows to the Universe Science Store!
Learn about Earth and space science, and have fun while doing it! The games
section of our online store
includes a climate change card game
and the Traveling Nitrogen game