Galaxy Evolution Explorer (GALEX)

glx2010-IYA_shot.jpg MISSION SUMMARY
Mission: Galaxy Evolution Explorer
Mission type: Ultraviolet astrophysics
Launch date: April 2003
Launch vehicle: Pegasus XL
Type of orbit: Low Earth, near-circular
Orbit height: 697 km or 433 mi
Mission duration: Initial 29 mo, extended ?
Mission status: Deactivated June 2013
The spacecraft will remain in orbit for at least 65 years, then fall to Earth and burn up re-entering the atmosphere. GALEX met its prime objectives and its mission was extended three times before NASA decided to end it.

Overview: GALEX is an orbiting ultraviolet space telescope which made observations in ultraviolet wavelengths to measure the history of star formation in the universe 80 percent of the way back to the Big Bang. It observed hundreds of thousands of galaxies, with the goal of determining the distance each galaxy is from Earth and the rate of star formation in each galaxy. Near- and far-UV emissions, as measured by GALEX, can indicate the presence of young stars, but may also originate from old stellar populations.

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GALEX.ppt

Related MGG Links
Chandra Space Telescope
Herschel Space Observatory
Hubble Space Telescope (HST)
James Webb SSpace Telescope (JWST)
Kepler
Sitzer Space Telescope
Swift Gamma-Ray Observatory
WISE
WMAP
XMM-Newton

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