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TOPIC: WISE Satellite


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RE: WISE Satellite
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NASA's Wide-field Infrared Survey Explorer (WISE), which headed to the launch pad last week, will map the entire sky in infrared. It will spot everything from nearby cool, failed stars to intense, 10-billion-year-old starburst galaxies.
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The launch of NASA's Wide-field Infrared Survey Explorer, or WISE, aboard a Delta II rocket is scheduled to occur between 9:09 a.m. and 9:23 a.m. EST on Wednesday, Dec. 9, from Vandenberg Air Force Base in California. NASA will provide television and Internet coverage of prelaunch activities and launch.
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NASA's Wide-field Infrared Survey Explorer, or Wise, is now perched atop its rocket at Vandenberg Air Force Base, north of Santa Barbara, Calif. The mission, which will scan the whole sky in infrared light, is scheduled to blast off on Dec. 9. It was hoisted to the top of its United Launch Alliance Delta II rocket on Friday, Nov. 20.
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NASA's Wide-field Infrared Survey Explorer, or Wise, is chilled out, sporting a sunshade and getting ready to roll. NASA's newest spacecraft is scheduled to roll to the pad on Friday, Nov. 20, its last stop before launching into space to survey the entire sky in infrared light.
Wise is scheduled to launch no earlier than 9:09 a.m. EST on Dec. 9 from Vandenberg Air Force Base in California.

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WISE Is Chilling
Engineers are busy cooling the science instrument on NASA's Wide-field Infrared Survey Explorer, or WISE. The spacecraft is scheduled to blast into space from Vandenberg Air Force Base in California on Dec. 7, 2009. It will map the entire sky in infrared light, uncovering all sorts of hidden treasures -- everything from the coolest stars to dark asteroids and the most luminous galaxies.
To see infrared light from the cosmos, WISE must be chilled to out-of-this-world cold temperatures. This prevents the telescope from picking up its own infrared glow, or heat. A bottle-like chamber, called a cryostat, surrounds and cools the telescope and detectors. The cryostat will be filled with frozen hydrogen, which slowly evaporates away over a period of about 10 months -- enough time for WISE to scan the sky one-and-a-half times.

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WISE mission
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NASA will hold a media briefing on Tuesday, Nov. 17, at noon EST, to discuss the upcoming launch of the Wide-field Infrared Survey Explorer, or WISE, mission.

Source NASA

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There are thousands of dark and dim asteroids that lurk in the vast dark spaces between the planets in our solar system. Some of these malicious cosmic goblins may even pose a threat to our planet. NASA will soon begin a hunt for these goblins by launching an infrared telescope called WISE in December.
The Wide-field Infrared Survey Explorer, or WISE, will scan the entire sky at infrared wavelengths, creating the most comprehensive catalogue yet of dark and dim objects in the cosmos: vast dust clouds, brown dwarf stars, asteroids -- even large nearby asteroids that could someday be on a collision course with Earth.

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In Search of Dark Asteroids
WISE will scan the entire sky at infrared wavelengths, creating the most comprehensive catalogue yet of dark and dim objects in the cosmos: vast dust clouds, brown dwarf stars, asteroids - even large, nearby asteroids that might pose a threat to Earth.
Surveys of nearby asteroids based on visible-light telescopes could be skewed toward asteroids with more-reflective surfaces.


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