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With Explore the Planets, investigate the planets, their moons, and understand the processes that shape them. By G. Jeffrey Taylor, Ph.D. See our DVD collection.

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Exploratour - Mars Exploration

This page is the start of the tour which explains the history of Mars exploration. 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...more

Mars Climate, Now and In the Past

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...more

Exploratour - Picturebook

This is a visual tour of photographs taken by the Mars Pathfinder and Mars Global Surveyor missions. Use the navigation button at the top of the page to move through the tour. To go to the next page, just...more

Exploratour - Carbon Cycle of Mars

This page is the start of the tour which explains the carbon cycle of Mars. 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...more

Discovery of Mars

Mars is much like Venus-- it's very bright and therefore easily spotted in the night sky. Because of this, we don't know who exactly discovered Mars. We do know it was named after the Roman god of war,...more

Martian Surface Winds

On Mars the surface winds accelerate to higher speeds than those on Earth. The general circulation pattern of winds is also very different from the terrestrial circulation pattern. These winds can be whipped...more

Mars 2003

If approved, the Mars 2003 mission will have two important parts. The first is the Mars Surveyor 2003 Lander, which will be launched sometime between May 27, 2003, and June 17, 2003. The lander will use...more

The Mars '98 Landing Site

The Mars '98 lander was supposed to land in the south polar region of Mars. This image of layered terrain near the south pole was provided by the Mars Global Surveyor mission. In the image, ground fog...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA