Archive for August, 2009

In Search of Antimatter Galaxies




Next year, a powerful cosmic ray detector will be installed on the International Space Station. Its mission: to search for antimatter galaxies and other exotic phenomena in the Universe.


Click for large image: An artist's concept of the Alpha Magnetic Spectrometer installed on the International Space Station.

Click for large image: An artist's concept of the Alpha Magnetic Spectrometer installed on the International Space Station.

 

August 14, 2009: NASA’s space shuttle program is winding down. With only about half a dozen more flights, shuttle crews will put the finishing touches on the International Space Station (ISS), bringing to an end twelve years of unprecedented orbital construction. The icon and workhorse of the American space program will have finished its Great Task.

 

An act of Congress in 2008 added another flight to the schedule near the end of the program. Currently scheduled for 2010, this extra flight of the shuttle is going to launch a hunt for antimatter galaxies.

The device that does the actual hunting is called the Alpha Magnetic Spectrometer–or AMS for short. It’s a $1.5 billion cosmic ray detector that the shuttle will deliver to the ISS. [...]

 

 

Source: Nasa Science – click here for full article




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Kepler Detects an Exoplanet Atmosphere



 

NASA’s new planet-hunting Kepler space telescope has detected the changing phases and atmosphere of a planet a thousand light years away.

An artists concept of an exoplanet orbiting close to its sun. Image credit: NASA August 6, 2009: NASA’s new exoplanet-hunting Kepler space telescope has detected the atmosphere of a known giant gas planet, demonstrating the telescope’s extraordinary scientific capabilities. The discovery will be published Friday in the journal Science.

Launched March 6, 2009, from Cape Canaveral Air Force Station in Florida, Kepler will spend the next three-and-a-half years searching for planets as small as Earth, including those that orbit stars in a warm “Goldilocks zone” where there could be water. It will do this by looking for periodic dips in the brightness of stars, which occur when orbiting planets transit, or cross in front of, the stars. [...]

 

Source: Nasa Science – click here for full article





 

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