(Phys.org)—The earbones, or 'otoliths', help fish to detect movement and to orient themselves in the water. Otoliths set down annual growth rings that can be measured and counted to estimate the age and growth rates of ...
Ecology
Nov 28, 2012
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(PhysOrg.com) -- After six months of testing, an 18,000 pound (8,165 kg) Orion mockup took its final splash into NASA Langley Research Center's Hydro Impact Basin on Jan. 6.
Space Exploration
Jan 9, 2012
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(PhysOrg.com) -- Testing continues at NASA Langley Research Center as the 18,000-pound (8,165 kg) Orion test article took its eight and final splash of the year into the Hydro Impact Basin on Dec. 13. Orion, the next deep ...
Space Exploration
Dec 14, 2011
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The latest analysis of data from NASA's Deep Impact spacecraft shows that comet 103P/Hartley 2 is hyperactive in terms of the material it spews out, compared to the other comets observed up close to date. The comet also ...
Space Exploration
Oct 4, 2011
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(PhysOrg.com) -- The comet Hartley 2 is a relatively small and elongated comet - only about 0.6 x 0.4 kilometers in size. It orbits the sun every 6.46 years, getting as close to it as 1.05 astronomical units (the Earth is ...
Astronomy
Jun 15, 2011
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Writing in the scientific journal Nature, scientists have called for increased discussion of independent monitoring of deep-sea hydrocarbon industry activity with the aim of obtaining a better understanding of its ecological ...
Earth Sciences
May 12, 2011
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In most cases, a Valentine's Day rendezvous that resembles a flight through artillery fire is less than ideal.
Space Exploration
Feb 21, 2011
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(PhysOrg.com) -- Just one year before its Feb. 14 encounter with comet Tempel 1, NASA's Stardust spacecraft performed the largest rocket burn of its extended life. With the spacecraft on the opposite side of the solar system ...
Space Exploration
Feb 14, 2011
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A NASA spacecraft is ready to get up close and personal with its comet sweetheart.
Space Exploration
Feb 14, 2011
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Here are five facts you should know about NASA's Stardust-NExT spacecraft as it prepares for a Valentine's "date" with comet Tempel 1. Feel free to sing along!
Space Exploration
Feb 11, 2011
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