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Learn about planets outside our solar system through Exoplanets and Alien Solar Systems by Tahir Yaqoob, Ph.D., a book in our online store book collection.
This is an image of a plateau and surrounding steep slopes within the Valles Marineris.
Click on image for full size
Image from: Malin Space Science Systems

Questions about Mars to be addressed by the Mars Surveyor Program

After decades of exploration of Mars, many questions still remain.


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Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

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Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

The Climate of Mars

Mars is not quite right for life as we know it on Earth. On a cold planet like Mars, water can become frozen into the ground. This water can only be turned into running water when the weather is warm enough....more

Differentiation

Differentiation is a scientific term which really means "to separate". In their earliest history, elements which made the planets would part into separate regions, if the planet were warm enough. This...more

Mars Global Surveyor Magnetometer findings

An important new result from the Mars Global Surveyor (MGS) mission is the definite confirmation of the presence of a magnetosphere around Mars. Previous missions did not make very good measurements of...more

Initial Mars Global Surveyor Findings

These are some of the initial findings of Mars Global Surveyor. There definitely is a magnetosphere near Mars. this finding suggests that scientists must rethink theories about the evolution of Mars. Surface...more

Results from Mars Pathfinder

These are the findings of Mars Pathfinder. Rounded Pebbles were found - a result from analysis of the landing site, the rocks, and the soils. there were a variety of rocks deposited by a catastrophic flood...more

Rock weathering on Mars

The rocks explored by the Mars Pathfinder's Rover are classified into two groups according to how they eroded. Rocks put in place as a result of an impact which forms a crater are usually much less eroded...more

Mars Odyssey

The Mars Odyssey was launched April 7, 2001. After a six-month journey, the Odyssey arrived at Mars on October 24, 2001. The instruments onboard the Mars Odyssey will study the minerals on the surface...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF