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Satellite To Study The Space In Space Nears Launch
Wallops Island - Oct 22, 2002 A satellite that will examine the "empty" space between stars has reached a milestone towards a December launch with its arrival this week at the Vandenberg Air Force Base, Calif., for integration with the launch vehicle. The Cosmic Hot Interstellar Plasma Spectrometer (CHIPS) satellite, the first in NASA's University-class Explorers Program, will examine the interstellar medium, the gas that fills the space between stars. "When you look up in the night sky and see mostly darkness, you get the impression that the volume between the stars must be empty," said Dr. Mark Hurwitz, CHIPS principal investigator from the University of California, Berkeley. "However this space is filled with gas and dust. CHIPS will give us invaluable information in the origin, physical processes and properties of the hot gas in the nearby interstellar medium." Just as raindrops split sunlight into the colors of the rainbow, the CHIPS instrument will collect and separate the diffuse extreme ultraviolet glow from the interstellar medium. By measuring the distribution and intensity of the glow, scientists will be able to test competing theories about the formation of the clouds of hot interstellar gas that surround our solar system. CHIPS arrived at Vandenberg on October 14. It will fly as a secondary payload, with the Ice, Cloud and Land Elevation Satellite (ICESat) as the primary payload, aboard a Delta II rocket. The launch is currently scheduled for mid-December. The CHIPS satellite, which weighs 131 pounds and is the size of a large suitcase, will orbit about 350 miles above the Earth. It is expected to operate for one year. Community Email This Article Comment On This Article Related Links CHIPS SpaceDev SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express Stellar Chemistry, The Universe And All Within It
Sloan Survey Identifies New Dwarf Galaxy Inside Milky Way
Washington DC (SPX) Jan 10, 2006Astronomers using the Sloan Digital Sky Survey have discovered a previously unknown cluster of stars within the Milky Way that appears to be a separate dwarf galaxy being consumed by its much larger neighbor. |
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