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Topic: Space telescope

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In the News (Thu 25 Apr 19)

 Hubble Space Telescope - Wikipedia, the free encyclopedia
Its successor telescope, the James Webb Space Telescope, is due to be launched in 2012.
Marshall Space Flight Center was given responsibility for the design, development and construction of the telescope, while the Goddard Space Flight Center was given overall control of the scientific instruments and ground control centre for the mission.
Astronomers using the telescope to observe distant supernovae uncovered evidence that far from decelerating under the influence of gravity, the universe may in fact be accelerating.
en.wikipedia.org /wiki/Hubble_Space_Telescope   (7067 words)

 Hubble Space Telescope -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-08)
Hubble is a (Optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece) reflecting telescope with two mirrors.
Also, this would require a rebuild of the cargo space of the space shuttle sent to retrieve Hubble, since the only space shuttle unmodified since Hubble's launch (and thereby able to hold it in its cargo space) was the destroyed Columbia shuttle.
Space telescopes are needed for wavelengths outside of visible wavelengths.
www.absoluteastronomy.com /encyclopedia/h/hu/hubble_space_telescope.htm   (4080 words)

 James Webb Space Telescope - Wikipedia, the free encyclopedia
The James Webb Space Telescope (JWST) is a planned orbital infrared observatory, intended (in part) to replace the aging Hubble Space Telescope.
Sensitive micromotors and wavefront sensors will position the mirror segments in the correct location, but subsequent to this initial configuration they will only rarely be moved; unlike terrestrial telescopes like the Keck which continually adjust their mirror segments using active optics to overcome the effects of gravitational loading and wind loading.
Northrop Grumman Space Technology serves as the primary contractor for the development and integration of the Observatory.
en.wikipedia.org /wiki/James_Webb_Space_Telescope   (488 words)

 Spitzer Space Telescope - Open Encyclopedia   (Site not responding. Last check: 2007-10-08)
The Spitzer Space Telescope (SST) (formerly the Space Infrared Telescope Facility (SIRTF)) is an infrared space observatory, the fourth and final of NASA's Great Observatories.
In keeping with NASA tradition, the telescope was renamed after successful demonstration of operation, on December 18, 2003.
Unlike most telescopes which are named after famous deceased astronomers by a board of scientists, the name for SIRTF was obtained from a contest open only to children (to the delight of science educators).
open-encyclopedia.com /Spitzer_Space_Telescope   (582 words)

 SPACE.com -- James Webb Space Telescope: Diving Deep into the Universe
Space agency chief, Sean O'Keefe, however, quickly gave the observatory an "all in the family" moniker - the James Webb Space Telescope.
At the heart of the James Webb Space Telescope effort is use of advanced optical technology - particularly in the mastery of lightweight mirrors.
Astrosociology is the study of astrosocial phenomena (social/cultural patterns related to space), a multidisciplinary field open to all scientists and engineers interested in "space and society" issues.
www.space.com /businesstechnology/technology/webb_ngst_030108.html   (1530 words)

 Hubble   (Site not responding. Last check: 2007-10-08)
Shortly after this image was taken, the Hubble telescope was shipped to Kennedy Space Center and loaded into the cargo bay of the shuttle Discovery.
The telescope measures 13.1 m (43.5 ft) in length, 4.27 m (14.0 ft) in diameter, and weighs 11,000 kg (25,500 lb).
The giant spaceborne telescope was put into orbit to collect information about a large variety of astronomical objects, from neighboring planets and stars to the most distant galaxies and quasars.
pds.jpl.nasa.gov /planets/welcome/hubble.htm   (380 words)

 Encyclopedia article on Hubble Space Telescope [EncycloZine]   (Site not responding. Last check: 2007-10-08)
The Hubble Space Telescope (HST) is a telescope orbiting the Earth at the outer edges of the atmosphere.
During the 1970s when Hubble was designed, the conventional wisdom was that ground based telescopes would never have the resolution of space telescopes because the atmosphere seeing limited the resolution of ground telescopes.
Federal lawmakers noted that NASA's next generation space telescope, named the James Webb Telescope is not scheduled for launch until 2010, many years after the Hubble Space Telescope was originally expected to cease functions.
encyclozine.com /Hubble_Space_Telescope   (3381 words)

 SPACE COLORING BOOK HOME PAGE   (Site not responding. Last check: 2007-10-08)
The Johnson Space Center was established in September 1961 as NASA's primary center for design, development and testing of spacecraft and associated systems for manned flight; selection and training of astronauts; planning and conducting manned missions, and exten-sive participation in the medical engineering and scientitic experiments carried aboard space flights.
Space tugs for roundtrip missions to a future lunar base, and large spaceships that will carry human explorers to Mars, could be put together and launched from the International Space Station.
The Hubble Space Telescope is made up of the telescope, instruments which relay what it sees to people on the ground, and wing-like solar panels which turn the Sun's rays into electrical power to run the telescope.
vesuvius.jsc.nasa.gov /er/seh/color.html   (2080 words)

 Hubble Space Telescope
That would sacrifice the Hubble Space Telescope, which is not near the space station and which needs a servicing mission soon to keep on working in orbit.
NASA's Great Observatories for Space Astrophysics are a family of four orbiting satellites carrying telescopes designed to study the Universe in both visible light and non-visible forms of radiation.
The Webb Space Telescope will be aboard a satellite to be launched after 2010 to an orbit 940,000 miles out in space at the second Lagrange Point, or L2.
www.spacetoday.org /DeepSpace/Telescopes/GreatObservatories/Hubble/Hubble.html   (2054 words)

 StarChild: The Hubble Space Telescope
The Hubble Space Telescope was named after Edwin Hubble, an astronomer whose contributions to astronomy include a classification system for galaxies and the Hubble Constant.
The Hubble Space Telescope was originally due to be launched in 1986, but the explosion of the Space Shuttle Challenger delayed the launch until April 24, 1990.
Once in orbit, a defect in the optical mirrors of the telescope prevented the clarity that scientists had hoped for when viewing images provided by the telescope.
starchild.gsfc.nasa.gov /docs/StarChild/space_level2/hubble.html   (592 words)

 AllRefer.com - Hubble Space Telescope (Astronomical Observatories) - Encyclopedia
Built from 1978 to 1990 at a cost of $1.5 billion, the HST (named for astronomer E. Hubble) was expected to provide the clearest view yet obtained of the universe.
Using a Ritchey-ChrEtien design that affords wider and flatter fields of view than traditional Cassegrain systems, the telescope has a 7.9-ft (2.4-m) primary mirror that can observe 24 hours a day (but usually observes less than 20% of the time) in a sky that is always clear and always has perfect seeing.
The telescope was repaired by astronauts of the space shuttle Endeavour in Dec., 1993, who replaced critical instruments and added corrective optics while in orbit.
reference.allrefer.com /encyclopedia/H/HubbleSp.html   (330 words)

 About Spitzer
The Spitzer Space Telescope (formerly SIRTF, the Space Infrared Telescope Facility) was launched into space by a Delta rocket from Cape Canaveral, Florida on 25 August 2003.
Because infrared is primarily heat radiation, the telescope must be cooled to near absolute zero (-459 degrees Fahrenheit or -273 degrees Celsius) so that it can observe infrared signals from space without interference from the telescope's own heat.
The Spitzer Space Telescope is a NASA mission managed by the Jet Propulsion Laboratory.
www.spitzer.caltech.edu /about/index.shtml   (462 words)

 JPL News -- NASA Releases Dazzling Images From New Space Telescope
This image, captured by the Spitzer Space Telescope's highly sensitive infrared detectors, shows a dark cloud of gas and dust in the nearby emission nebula IC1396 brilliantly lit up for the first time.
He was one of the 20th century's most influential scientists, and in the mid-1940s, he first proposed placing telescopes in space.
Launched Aug. 25 from Cape Canaveral, Fla., the Spitzer Space Telescope is the fourth of NASA's Great Observatories, a program designed to paint a more comprehensive picture of the cosmos using different wavelengths of light.
www.jpl.nasa.gov /releases/2003/170.cfm   (749 words)

 Encyclopedia: Space telescope
Some terrestrial telescopes (such as the Very Large Telescope) can counter turbulences with the help of their novel adaptive optics.
Satellites have been launched by NASA, ESA and the Japanese Space Agency.
HEAO (High Energy Astronomy Observatories) 1 and 2, subsequent (1978) X-Ray space observatories.
www.nationmaster.com /encyclopedia/Space-telescope   (743 words)

 New Scientist Breaking News - New space telescope plan unfolds
The new telescope's 6.5-metre mirror is too large to be launched in one piece by an expendable rocket.
The main mission of the new telescope is to look further back in the evolution of the Universe, to the time soon after the Big Bang when galaxies were forming.
Unlike the orbiting Hubble telescope, astronauts will not be able to reach the new telescope to repair or replace instruments - so NASA will have to live with what it launches and deploys.
www.newscientist.com /article.ns?id=dn2777   (482 words)

 Hubble Space Telescope on Encyclopedia.com   (Site not responding. Last check: 2007-10-08)
Using a Ritchey-Chrétien design that affords wider and flatter fields of view than traditional Cassegrain systems, the telescope has a 7.9-ft (2.4-m) primary mirror that can observe 24 hours a day (but usually observes less than 20% of the time) in a sky that is always clear and always has perfect seeing.
Unique follow-up observations carried out with NASA's Hubble Space Telescope are providing important supporting evidence for the existence of a candidate planetary companion (five times the mass of Jupiter) to a...
A new sequence of Hubble Space Telescope images of the remnant of a tremendous stellar explosion is giving astronomers a remarkable look at the dynamic relationship between the tiny Crab Pulsar and th
www.encyclopedia.com /html/H/HubbleS1p.asp   (784 words)

 StarChild: The Hubble Space Telescope
The Hubble Space Telescope was named after the astronomer Edwin Hubble, who, as a boy, had a paper route.
The Hubble Space Telescope was launched on the Space Shuttle on April 24, 1990.
The Hubble Space Telescope was built to last for at least 15 years.
starchild.gsfc.nasa.gov /docs/StarChild/space_level1/hubble.html   (241 words)

 Bradford Robotic Telescope   (Site not responding. Last check: 2007-10-08)
The Bradford Robotic Telescope has now been completely rebuilt and is operating in a new dome at the Observatorio del Teide 8,000 feet up on the Island of Tenerife.
The new telescope has been designed as a completely free robotic system to support the understanding of astronomy by school students and the general public.
The telescope also supports a range of research including rapid response to capture the key early moments of eruptive variable stars like gamma-bursters and supernovae and patrolling for eruptions from catasclysmic variables.
www.telescope.org   (173 words)

 Hubble Space Telescope: Research Links for Students
When the Hubble Space Telescope opens its eye in space, it becomes a periscope to a neighborhood that reduces our home planet to a crushingly tiny speck.
The Hubble Space Telescope is a cooperative program of the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA) to operate a long-lived space-based observatory for the benefit of the international astronomical community.
Hubble Space Telescope evokes a new sense of awe and wonder about the infinite richness of our universe in dramatic, unprecedented pictures of celestial objects.
www.cdli.ca /CITE/solar_hubble.htm   (871 words)

 CNN.com - New orbiter takes out-of-sight pictures - Dec. 19, 2003
NASA unveiled stunning first pictures from a powerful new infrared space telescope on Thursday, and announced a new name for the spacecraft, one of the agency's four so-called Great Observatories.
The images from the orbiter, likened to an infrared version of the Hubble Space Telescope, include a spiral galaxy, a star-birth region and a rocky planet-forming disk around a distant star.
Launched earlier this year, the Space Infrared Telescope Facility, or SIRTF, was renamed the Spitzer Space Telescope, after astronomer Lyman Spitzer, who first proposed the idea of Earth-orbiting telescopes in the 1940s.
www.cnn.com /2003/TECH/space/12/18/telescope.name   (331 words)

 Hubble Space Telescope   (Site not responding. Last check: 2007-10-08)
After NASA announced that the telescope would not be repaired due to the risks to a human crew, outcry from scientists, politicians, and the public forced the agency to consider sending a robotic repair mission.
The telescope repair mission has been put on the back burner as NASA is leaning toward President George W. Bush’s announced desire to see Americans on the Moon and Mars.
Hubble is slated to be decommissioned in 2010 and replaced by the next-generation James Webb Space Telescope, scheduled to be launched in 2011.
www.infoplease.com /ipa/A0193553.html   (550 words)

 Dobson Space Telescope   (Site not responding. Last check: 2007-10-08)
As long as aperture is coupled to length of telescopes; the maximum size of the telescope is limited to 12inch.
We were invited to presesent the Dobson Space Telescope Project in the Feuerstein Observatory.
The Dobson Space Telescope Project was invited to take part in the student outreach programm of this years IAC (international astronautical congress) in Bremen.
www.dobson-space-telescope.com   (2064 words)

 Mysteries of Deep Space - About the Hubble
HST is a 2.4-meter reflecting telescope which was deployed in low-Earth orbit (600 kilometers) by the crew of the space shuttle Discovery (STS-31) on 25 April 1990.
Responsibility for conducting and coordinating the science operations of the Hubble Space Telescope rests with the Space Telescope Science Institute (STScI) on the Johns Hopkins University Homewood Campus in Baltimore, Maryland.
A spectrograph spreads out the light gathered by a telescope so that it can be analyzed to determine such properties of celestial objects as chemical composition and abundances, temperature, radial velocity, rotational velocity, and magnetic fields.
www.pbs.org /deepspace/hubble   (1774 words)

 The Hubble Space Telescope [encyclopedia]   (Site not responding. Last check: 2007-10-08)
The Hubble Space Telescope - a joint ESA/NASA project - is a 2.4-meter reflecting telescope which was deployed in low-Earth orbit (600 kilometers) by the crew of the space shuttle Discovery (STS-31) on 25 April 1990.
Hubble Space Telescope is named after Edwin Powell Hubble (1889-1953) who was one of the great pioneers of modern astronomy.
Extending from the telescope are solar panels for generating electricity and antennas for communicating with operators on the ground.
kosmoi.com /Space/HST   (875 words)

 HoustonChronicle.com - NASA to retire Hubble telescope
The bus-size telescope, which has been sending home spectacular images of the universe for over a decade and forced the rewriting of astronomy textbooks, will continue its mission until it wears out -- likely by 2007 or 2008, Grunsfeld said.
Since that was replaced by spacewalking astronauts in 1993, the telescope has delivered images that helped scientists measure the size of the universe and pinpoint its age at 13.8 billion years.
But the telescope also is expensive and it requires regular servicing by astronauts to replace gyroscopes and batteries and upgrade equipment.
www.chron.com /cs/CDA/ssistory.mpl/space/2358102   (935 words)

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