Spectacular Day of the Comet

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Deep Impact
After a voyage of 173 days and 268 million miles, NASA's Deep Impact spacecraft will get up-close-and-personal with comet Tempel 1 on July 4.
The first of its kind, hyper-speed impact between space-borne iceberg and copper-fortified probe is scheduled for approximately 1:52 a.m. EDT on Independence Day. The potentially spectacular collision will be observed by the Deep Impact spacecraft, ground and space-based observatories.


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NASA study finds rising Arctic storm activity sways sea ice, climate

2 hours ago | User rating: not rated yet
A new NASA study shows that the rising frequency and intensity of arctic storms over the last half century, attributed to progressively warmer waters, directly provoked acceleration of the rate of arctic sea ice drift, long ...

Lichens function as indicators of nitrogen pollution in forests

4 hours ago | User rating: not rated yet
Scientists have found lichens can give insight into nitrogen air pollution effects on Sierra Nevada and San Bernardino mountain ecosystems, and protecting them provides safeguards for less sensitive species.

NASA spacecraft ready to explore outer solar system

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The first NASA spacecraft to image and map the dynamic interactions taking place where the hot solar wind slams into the cold expanse of space is ready for launch Oct. 19. The two-year mission will begin from ...

University professor stresses links between US Navy sonar and whale strandings

5 hours ago | User rating: not rated yet
Earlier this summer, the U.S. Supreme Court agreed to review a series of lower court rulings that restrict the Navy's use of sonar in submarine detection training exercises off the coast of Southern California. The court ...

India to launch unmanned lunar mission this month

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India will launch its first lunar mission on October 22 from southern India, a top official from the country's space agency said Monday.
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