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Astronomers have worried about the impact that asteroids could have on Earth ever since a theory was proposed in the 1980s that a giant asteroid likely caused the extinction of the dinosaurs 65 millio...
NASA's Wise Eye Spies First Glimpse of the Starry Sky; Infrared All-Sky Surveying Telescope Sends Back First Images from Space
NASA's Wise Eye the Starry Sky Telescope First Images from Space
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2010/1/11
NASA's Wide-field Infrared Survey Explorer, or WISE, has captured its first look at the starry sky that it will soon begin surveying in infrared light.Launched on Dec. 14, WISE will scan the entire s...
NASA's Kepler Space Telescope Discovers Five Exoplanets
NASA's Kepler Space Telescope Five Exoplanets
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2010/1/11
NASA's Kepler space telescope, designed to find Earth-size planets in the habitable zone of sun-like stars, has discovered its first five new exoplanets, or planets beyond our solar system.Kepler's hi...
Moon Rock Gains Traveling Companion for Historic Return to Space
Moon Rock Traveling Companion Historic Return Space
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2010/1/11
A moon rock collected during the historic Apollo 11 mission more than 40 years ago will be heading back to space and a new home aboard the International Space Station, sharing quarters with a piece of...
Fermi Telescope Caps its First Year with a Glimpse of Space-Time
Fermi Telescope First Year Space-Time
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2009/11/4
During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of...
NASA Space Telescope Discovers Largest Ring Around Saturn
NASA Space Telescope Largest Ring Saturn
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2009/10/10
NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings.The new belt lies at the far reaches of the Saturnian system, with ...
Taking space in stride--New analysis could lead to better lunar, Mars spacesuits(图)
space lunar Mars spacesuits space suit
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2009/8/18
Anyone who has watched videos of the Apollo astronauts moving across the surface of the moon has noticed the unusual loping gait they sometimes adopted and their slow, almost graceful, movements. Now ...
Analysis of Hubble Space Telescope Fine Guidance Sensor Data in TRANS Mode:An Overview
Hubble Space Telescope Fine Guidance Sensor Data TRANS Mode
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2009/6/30
Analysis of Hubble Space Telescope Fine Guidance Sensor Data in TRANS Mode:An Overview。
Cosmological Surveys with the Spitzer Space Telescope
Cosmological Surveys Spitzer Space Telescope
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2009/6/18
Cosmological Surveys with the Spitzer Space Telescope。
Spectroscopy, photometry and micro-arcsec astrometry Of binaries with the Gaia space mission and with the rave Experiment
Spectroscopy photometry micro-arcsec astrometry Of binaries
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2009/6/17
Spectroscopy, photometry and micro-arcsec astrometry Of binaries with the Gaia space mission and with the rave Experiment。
Planetary nebulae results from the infrared space observatory
Planetary nebulae infrared space observatory
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2009/6/11
Planetary nebulae results from the infrared space observatory。
The phase-space structure of CDM halos and dark-matter direct detection experiments
phase-space structure dark-matter direct CDM halos
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2009/6/11
The phase-space structure of CDM halos and dark-matter direct detection experiments。
Spectroscopy of stellar Jets, outflows, and Young stellar objects with the infrared space observatory
stellar Jets infrared space observatory outflows
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2009/6/10
Spectroscopy of stellar Jets, outflows, and Young stellar objects with the infrared space observatory。
Necessary conditions for the generation of acoustic solitons in magnetospheric and space plasmas with hot ions
acoustic solitons space plasmas magnetospheric
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2009/5/27
Necessary conditions are discussed for the possible generation of large solitary acoustic modes in plasmas with one or more ion species which are hotter than some or all of the electron species. The a...
Large Scale Magnetic Fields:Density Power Spectrum in Redshift Space
Cosmology magnetic fields MHD
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2009/5/19
We compute the density redshift-space power spectrum in
the presence of tangled magnetic fields and compare it with existing observations.
Our analysis shows that if these magnetic fields originated...