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From Nick Greene, for About.com

Experts Calculate Risk of Uncontrolled Hubble Re-entry

Friday October 22, 2004
If NASA's Hubble Space Telescope (HST) plummets uncontrolled into Earth's atmosphere, it would be a violation of NASA's own safety standards, according to Space.com.

"Based upon the latest configuration and orbit of HST and on solar activity projection, HST is expected to reenter Earth's atmosphere around the year 2020. Furthermore, studies are now underway to, perhaps, robotically save the telescope, nudging it to a higher altitude for prolonged looks at the surrounding universe. HST could also be ditched in a controlled way into a remote stretch of ocean."

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Colonel Ilan Ramon flew aboard STS-107 (space shuttle Columbia) and logged 15 days, 22 hours and 20 minutes in space. The STS-107 mission ended abruptly on February 1, 2003 when Space Shuttle Columbia and her crew perished during entry, 16 minutes before scheduled landing.

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