![Read more about 'Astronomers Monitor Asteroid to Pass Near Mars'](https://webarchive.library.unt.edu/eot2008/20090812235222im_/http://mars.jpl.nasa.gov/newsroom/pressreleases/images/asteroid_th100.jpg) |
Astronomers Monitor Asteroid to Pass Near Mars
Updated: Jan 9, 2008
As expected, scientists at JPL's Near-Earth Object Office have further refined the trajectory estimate for asteroid 2007 WD5 and ruled out any possibility of a Mars impact on Jan.
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![Read more about 'Alignment on December 24, 2007'](https://webarchive.library.unt.edu/eot2008/20090812235222im_/http://mars.jpl.nasa.gov/allabout/nightsky/images/MarsOpposition2007_th100.jpg) |
Alignment on December 24, 2007
This is a special day that happens only every 26 months when Earth is exactly between the Sun and Mars. Find out more about opposition and experiment with Mars and Earth in their orbits.
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![Read the article 'Mars Express Probes Red Planet's Unusual Deposits'](https://webarchive.library.unt.edu/eot2008/20090812235222im_/http://mars.jpl.nasa.gov/express/gallery/martianterrain/images/20071101_1148112cover2s1_th100.jpg) |
Radar Examines 'Stealth' Regions of Mars
The radar system on the European Space Agency's Mars Express orbiter has uncovered new details about some of the most mysterious deposits on Mars: the Medusae Fossae Formation.
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![Read the article 'Mars' South Pole Ice Deep and Wide'](https://webarchive.library.unt.edu/eot2008/20090812235222im_/http://mars.jpl.nasa.gov/express/gallery/martianterrain/images/20070315_PIA09224-MARSIS_map_thick_th100.jpg) |
Mars' South Pole Ice Deep and Wide
New measurements of Mars' south polar region indicate extensive frozen water. The polar region contains enough frozen water to cover the whole planet in a liquid layer approximately 11 meters (36 feet) deep.
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