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... ) issued a report calling for NASA to send a Space Shuttle mission to service the HST. The report challenged Administrator Sean O’Keefe 's earlier decision that NASA would not conduct ... would pose some risks for astronauts, the NRC stated that the scientific value of continuing HST operations merited a mission, both to maintain the orbiting telescope and to upgrade its components. The report recommended that NASA should consider sending a robotic servicing mission for the HST instead of a Shuttle mission, but should not rule out sending a Shuttle servicing mission ...

... to science and astronautics programs; its decision not to fund a servicing mission to the HST; and its plans for its workforce. The committee also questioned the US$858 million NASA ... and lunar exploration, while reducing spending in other space science programs, including that of the HST. The committee questioned budgetary proposals based on plans for 28 Shuttle flights to the International Space Station ISS and no flights to repair the HST. Representative Vernon J. Ehlers (R-MI) remarked that that the HST was capable of conducting more and better scientific research in ...

... . Griffin announced that NASA would conduct a fifth and final crewed servicing mission to the HST , an expedition that would help extend and improve the observatory’s capabilities through 2013. Griffin ... ’Keefe’s cancellation had also engendered controversy, because failing to service the HST would have meant the end of the HST ’s mission by 2008. ''NASA, “NASA Approves Mission and Names Crew ... Hubble,” news release 06-343, http://www.nasa.gov/home/hqnews/2006/oct/HQ_06343_HST_announcement.html (accessed 5 April 2010); Mark Carreau, “NASA to Repair Hubble Despite Potential Risks ...

... Data Handling System, had failed on 27 September 2008. Without the channel, Hubble Space Telescope HST had not been able to transmit most of its images and scientific data to Earth ... encountered some challenges in switching to the backup Side-B channel, which Hubble Space Telescope HST had not used since it launched in 1990. On the second attempt, however, the engineers ... 2008. NASA announced that it would reschedule a servicing mission to update Hubble Space Telescope HST and to extend its mission through 2013. NASA had originally scheduled the servicing mission for ...

... and 7 seconds. STS-61 Endeavour was the first Hubble Space Telescope ( Hubble Space Telescope HST ) servicing and repair mission. STS-61 launched at night from the Kennedy Space Center , Florida ... new instruments and upgraded systems on the Hubble Space Telescope ( Hubble Space Telescope HST ). Enhancing Hubble Space Telescope HST scientific capabilities required three space walks (EVA) totaling 24 hours and 33 minutes ...

... atmosphere, and hence it achieves a much higher resolution and sensitivity. The Hubble Space Telescope (HST), launched in 1990, has produced a series of very important astronomical discoveries at both optical ... flown. These include astronomical missions with photometers, cameras, low and high-resolution spectrographs, and polarimeters. HST remains the primary ultraviolet observatory, but numerous smaller missions of moderate size have been flown ...

... reported that the Hubble Space Telescope ( HUBBLE SPACE TELESCOPE HST ) was studying aurorae on the giant planet Jupiter. The HUBBLE SPACE TELESCOPE HST made observations of Jupiter over a four-day period ... field and the flow of subatomic particles along magnetic field lines. Simultaneously, HUBBLE SPACE TELESCOPE HST was looking at aurorae, one visual manifestation of these electrical fireworks. These joint observations provided ...

... reported that a survey of the heavens with the Hubble Space Telescope ( HUBBLE SPACE TELESCOPE HST ) was uncovering remote and unusual galaxies never before resolved by optical telescopes on Earth. HUBBLE SPACE TELESCOPE HST revealed an unusual variety of shapes and structures in these distant galaxies, which previously had ...

NASA reported that tests of corrections made to the Hubble Space Telescope ( HUBBLE SPACE TELESCOPE HST ) were proceeding well and that the first new pictures were expected within days. David Leckrone ... its primary mission objectives, the study of the universe's infancy, the HUBBLE SPACE TELESCOPE HST must concentrate 70 percent of an object's light within a core image only 0.1 arc-second in diameter, but the HUBBLE SPACE TELESCOPE HST 's previous spherical-aberration defect distorted its 2.4-meter (94.5-inch) main mirror ...

... 1996. NASA released time-lapse photographs taken by the Hubble Space Telescope ( HUBBLE SPACE TELESCOPE HST ), making the images immediately available on the Internet. Based on these images, lauded as the ... New York Times reported. Using a narrow "keyhole" view and focusing the HUBBLE SPACE TELESCOPE HST on a portion of the sky only the width of a dime, telescope operators probed ... star's death, as well as new information about how galaxies evolve. HUBBLE SPACE TELESCOPE HST astronomer Howard E. Bond estimated that the Sun would die out in about 5 billion ...

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