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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.

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Courtesy of NASA

Astronauts take fifth spacewalk to service the Hubble Space Telescope
News story originally written on February 18, 1997

Astronauts Mark Lee and Steve Smith of the space shuttle Discovery completed their fifth and last spacewalk in the repair of the Hubble Space Telescope (HST). The spacewalk lasted 5 hours, 17 minutes. The next step is to put the telescope back into orbit. The HST was placed into Discovery's payload bay so that repairs could be made.

The Space Shuttle Discovery mission began with liftoff on February 11, 1997, at 3:55 am. The ten-day mission consists of making major repairs to the HST. These repairs are going to help the HST make more discoveries.

The Discovery Space Shuttle crew consists of the following: commander Ken Bowersox, pilot Scott Horowitz, Joe Tanner, Steve Hawley, Greg Harbaugh, Mark Lee, and Steve Smith.


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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA