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Parts of Comet are Missing.


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May 17, 2001

Parts of Comet are Missing

Earth Nears Closest Approach to Mars

Sixth X-40A Test is Successful

PARTS OF Comet ARE MISSING

After working through the photographs and data uncovered about Comet Linear gathered by the Hubble Space Telescope, Astronomers have learned a tremendous amount about the composition and destruction of comets. But there's also a bit of a mystery here, as the scientists can't account for billions of kilograms of missing mass that disappeared as Comet Linear broke up last July. One possiblity is that when it broke up, the Comet exploded into fragments too small to be seen by telescope - this idea lends credibility to the theory that some comets are nothing more than loosely gathered piles of icy rubble.

Original Source:

http://oposite.stsci.edu/pubinfo/PR/2001/14/pr.html

Internet Coverage:

http://www.cnn.com/2001/TECH/space/05/17/comet.puzzle/index.html

http://www.msnbc.com/news/574203.asp

http://www.space.com/scienceastronomy/solarsystem/comet_linear_010517-1.html

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http://www.universe-galaxies-stars.com/hubble.html

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astronomy.html

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EARTH NEARS CLOSEST APPROACH TO MARS

Astronomers are in for a treat next month as the Earth nears its closest point with the planet Mars; the nearest the two planets will have been for 12 years. On June 21, the two planets will only be 68 million km apart, and the Red planet will show tremendous detail to Earth-based observers - even small-telescope owners will be able to see details on the surface, including clouds, surface features and ice caps. To see Mars, look before sunrise approximately 30 degrees above the Southern horizon.

Original Source:

http://science.nasa.gov/headlines/y2001/ast15may_1.htm

Internet Coverage:

http://www.cnn.com/2001/TECH/space/05/17/mars/index.html

http://www.cosmiverse.com/space05170101.html

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For More Information About Mars Visit Our Topics Section

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mars.html

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SIXTH X-40A TEST IS SUCCESSFUL

The X-40A prototype was successfully tested for the sixth time yesterday when it was dropped from a helicopter at an altitude of over 4,500 metres and then maneuvered back to land at Edwards Air Force Base. The X-40A is an 85-percent scale model of the X-37; a prototype vehicle designed for the US Air Force to test future space vehicle technologies.

Original Source:

http://www1.msfc.nasa.gov/NEWSROOM/news/releases/2001/01-176.html

Internet Coverage:

http://www.cosmiverse.com/space05170102.html

http://spaceflightnow.com/news/n0105/17x40a/

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http://www.universe-galaxies-stars.com/airforce.html

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military.html

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