The space shuttle Endeavor was used to carry the Hopkins Ultraviolet Telescope, Wisconsin Ultraviolet Photo-Polarimeter Experiment, and other components of the Astro-2 ultraviolet telescopic package into orbit in 1995. Why were these instruments placed in orbit?

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    to collect more visible light without loss
     because its very dark in orbitt
     because the Earths atmosphere absorbs most ultraviolet wavelengthss
     to prevent competing countries from reaching them
     to provide a stable platform for imaging
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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because the Earths atmosphere absorbs most ultraviolet wavelengthss
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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