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Arches National Park Geology Tour provides an extensive, visually rich description of the geology of Arches, by Deborah Ragland, Ph.D. See our DVD collection.
The Hubble telescope being repaired.
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NASA

NASA to Replace Hubble Telescope Instrument - Just BeCOS...
News story originally written on August 18, 1997

Well not exactly just because. NASA will include the COS instrument on the Hubble Space Telescope because it will help astronomers study how stars were formed billions of years ago. It will also help astronomers find out how the first elements were formed. COS stands for Cosmic Origins Spectrograph.

The COS instrument will be put on the Hubble telescope in 2002. The cost of the COS instrument is $25 million.

The Hubble Space Telescope is a reflecting telescope. It is still making observations while orbiting around Earth.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF