Archive for 'Space'

NASA satellite detects red glow to map global ocean plant health

Posted on 31. May, 2009 by admin.

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Researchers have conducted the first global analysis of the health and productivity of ocean plants, as revealed by a unique signal detected by a NASA satellite. Ocean scientists can now remotely measure the amount of fluorescent red light emitted by ocean phytoplankton and assess how efficiently the microscopic plants are turning sunlight and nutrients into [...]

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Study: Teachers choose schools according to student race

Posted on 27. May, 2009 by admin.

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A study forthcoming in the Journal of Labor Economics suggests that high-quality teachers tend to leave schools that experience inflows of black students. According to the study’s author, C. Kirabo Jackson (Cornell University), this is the first study to show that a school’s racial makeup may have a direct impact on the quality of its [...]

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New technique could find water on Earth-like planets orbiting distant suns

Posted on 27. May, 2009 by admin.

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Since the early 1990s astronomers have discovered more than 300 planets orbiting stars other than our sun, nearly all of them gas giants like Jupiter. Powerful space telescopes, such as the one that is central to NASA’s recently launched Kepler Mission, will make it easier to spot much smaller rocky extrasolar planets, or exoplanets, more [...]

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Hubble repair mission carrying $70 million CU-Boulder instrument on track for May 11 launch

Posted on 08. May, 2009 by admin.

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A $70 million instrument designed by the University of Colorado at Boulder to probe the evolution of galaxies, stars and intergalactic matter from its perch on the orbiting Hubble Space Telescope is on schedule for its slated May 11 launch from Kennedy Space Center in Florida aboard NASA’s space shuttle Atlantis.
Originally scheduled for launch in [...]

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Better water use could reduce future food crises

Posted on 05. May, 2009 by admin.

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The challenge of meeting future water needs under the impacts of climate change and rapidly growing human demands for water may be less bleak than widely portrayed a team of Swedish and German scientists says
If the overall water resources in river basins were acknowledged and managed better, future food crises could be significantly reduced, say [...]

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Bowman Global Change says public engagement critical to solving climate crisis

Posted on 02. May, 2009 by admin.

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Paper in International Journal of Sustainability Communication calls for grassroots outreach efforts
May 1, 2009 – Signal Hill, CA – Tom Bowman, president of Bowman Global Change, a firm that helps organizations make sustainable transformations, has written a paper defining the adjustments to climate change communication programs required to encourage sustainable behaviors and drive society’s response [...]

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MESSENGER discovers an unusual impact basin on Mercury

Posted on 02. May, 2009 by admin.

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A previously unknown, large impact basin has been discovered by the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft during its second flyby of Mercury in October 2008. The impact basin, now named Rembrandt, more than 700 kilometers (430 miles) in diameter. If the Rembrandt basin had formed on the east coast of the [...]

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Cleaning the atmosphere of carbon: African forests out of balance

Posted on 27. Feb, 2009 by admin.

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Tropical forests hold more living biomass than any other terrestrial ecosystem. A new report in the journal Nature by Lewis et al. shows that not only do trees in intact African tropical forests hold a lot of carbon, they hold more carbon now than they did 40 years ago–a hopeful sign that tropical forests could [...]

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Transit search finds Super-Neptune

Posted on 21. Jan, 2009 by admin.

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Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune has a diameter 3.8 times that of Earth and a mass 17 times Earth’s, the new world (named HAT-P-11b) is 4.7 times the size of Earth and has [...]

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