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  • Detailed Dark Matter Map Yields Clues to Galaxy Cluster Growth پنج‌شنبه 27 آبان‌ماه سال 1389 19:41
    Astronomers using NASA's Hubble Space Telescope took advantage of a giant cosmic magnifying glass to create one of the sharpest and most detailed maps of dark matter in the universe... Astronomers using NASA's Hubble Space Telescope took advantage of a giant cosmic magnifying glass to create one of the sharpest and...
  • Status Update: Cassini to Resume Nominal Operations پنج‌شنبه 27 آبان‌ماه سال 1389 19:39
    Engineers at NASA's Jet Propulsion Laboratory, Pasadena, Calif., expect the Cassini spacecraft will resume normal operations on Nov. 24... Engineers at NASA's Jet Propulsion Laboratory, Pasadena, Calif., expect the Cassini spacecraft will resume normal operations on Nov. 24. They have traced the steps taken by an...
  • NASA's Fermi Telescope Finds Giant Structure in our Galaxy پنج‌شنبه 27 آبان‌ماه سال 1389 19:38
    NASA's Fermi Gamma-ray Space Telescope has unveiled a previously unseen structure centered in the Milky Way. The feature spans 50,000 light-years and may be the remnant of an eruption from a supersized black hole... WASHINGTON -- NASA's Fermi Gamma-ray Space Telescope has unveiled a previously unseen structure...
  • Sunspot 1121 Unleashes X-ray Flare پنج‌شنبه 27 آبان‌ماه سال 1389 19:35
    On Saturday, Active Region 1112 unleashes an M class solar flare... Active sunspot 1121 has unleashed one of the brightest x-ray solar flares in years, an M5.4-class eruption at 15:36 UT on Nov. 6th. Radiation from the flare created a wave of ionization in Earth's upper atmosphere that altered the propagation of...
  • Global View of Fine Aerosol Particles پنج‌شنبه 27 آبان‌ماه سال 1389 19:33
    Of all the pollution that fills our lungs on any given day, the most dangerous is the small stuff... Of all the pollution that fills our lungs on any given day, the most dangerous is the small stuff. Aerosol particle pollution—airborne solid particles and liquid droplets—comes in a range of sizes. Particles smaller...
  • Engineers Assessing Cassini Spacecraft پنج‌شنبه 27 آبان‌ماه سال 1389 19:28
    Engineers at NASA's Jet Propulsion Laboratory are working to understand what caused NASA's Cassini spacecraft to put itself into "safe mode," a precautionary standby mode... Engineers at NASA's Jet Propulsion Laboratory, Pasadena, Calif., are working to understand what caused NASA's Cassini spacecraft to put...
  • Ask an Expert: Why Study Comets, Meteors and Asteroids? پنج‌شنبه 27 آبان‌ماه سال 1389 19:26
    What do we learn from studying comets, meteors and asteroids? On Friday, Nov. 5 from 10:00 a.m. to noon EDT, NASA expert Bill Cooke will answer your questions... Small but active Comet Hartley 2 just made one of the closest approaches to Earth of any comet in centuries. Recently backyard stargazers with a telescope...
  • NASA EPOXI Flyby Reveals New Insights Into Comet Features پنج‌شنبه 27 آبان‌ماه سال 1389 19:24
    NASA's EPOXI mission spacecraft successfully flew past comet Hartley 2 at 10 a.m. EDT Thursday. Scientists say initial images from the flyby provide new information about the comet's volume and material spewing from its surface... PASADENA, Calif. – NASA's EPOXI mission spacecraft successfully flew past comet Hartley...
  • Thawing a Planet-Sized Snowball پنج‌شنبه 27 آبان‌ماه سال 1389 19:21
    The Earth has plunged into a deep freeze several times in the past, with ice covering the land and sea for millions of years... These days the climate news is all about global warming, but global freezing was the biggest climate worry in Earth's distant past. Long periods of severe cold – like Ice Ages on steroids –...
  • The Many Infrared 'Personalities' of the Sculptor Galaxy جمعه 23 مهر‌ماه سال 1389 20:52
    The Sculptor galaxy is seen in a rainbow of infrared colors by NASA's Wide-field Infrared Survey Explorer, or WISE... October 13, 2010 __JPL_CAPTION_1 › Browse version of image --> The Sculptor galaxy is shown in different infrared hues, in this new mosaic from NASA's Wide-field Infrared Survey Explorer, or...
  • Webb Telescope Sunshield Passes Launch Depressurization Tests to جمعه 23 مهر‌ماه سال 1389 20:51
    NASA's James Webb Space Telescope continues to make significant progress, successfully completing a series of sunshield vent tests that validate the telescope's sunshield design... NASA's James Webb Space Telescope continues to make significant progress, successfully completing a series of sunshield vent tests that...
  • Explore Energy with NASA during Earth Science Week جمعه 23 مهر‌ماه سال 1389 20:49
    "Exploring Energy" is the theme of this year's Earth Science Week, Oct. 10-16. The American Geological Institute hosts Earth Science Week each year to engage people in Earth science and encourage stewardship of Earth... We all know how it feels to be low on energy after a long day. Or how it feels to be full...
  • Hubble Observes Aftermath of Possible Asteroid Collision جمعه 23 مهر‌ماه سال 1389 20:47
    NASA's Hubble Space Telescope has captured rare images of a suspected asteroid collision. The snapshots show a bizarre X-shaped object at the head of a comet-like trail of material. Their findings will be published in the Oct. 14th issue of Nature... Oct. 13, 2010: Astronomers using NASA's Hubble Space Telescope have...
  • Exposed Rocks Point to Water on Ancient Mars جمعه 23 مهر‌ماه سال 1389 20:43
    A new discovery of carbonate-bearing rocks on Mars indicates that habitable environments may have existed deep below the martian crust. The rock deposit, which was uplifted by an ancient meteor impact, also provides information about the potential existence of lakes and seas in Mars' past... Habitable Martian...
  • Giant Star Goes Supernova, Smothered by its Own Dust جمعه 23 مهر‌ماه سال 1389 20:41
    A giant star in a faraway galaxy recently ended its life with a dust-shrouded whimper instead of the more typical bang... October 12, 2010 __JPL_CAPTION_1 › Browse version of image --> Astronomers using NASA's Spitzer Space Telescope have discovered that a giant star in a remote galaxy ended its life with a...
  • Small Asteroid to Pass Within Earth-Moon System Tuesday جمعه 23 مهر‌ماه سال 1389 20:40
    A small asteroid will fly past Earth early Tuesday within the Earth-moon system... October 11, 2010 __JPL_CAPTION_1 › Browse version of image --> PASADENA, Calif. -- A small asteroid will fly past Earth early Tuesday within the Earth-moon system. The asteroid, 2010 TD54, will have its closest approach to...
  • Hunting for New Habitats جمعه 23 مهر‌ماه سال 1389 20:38
    Astronomers are finding many new planets circling distant stars, but they have yet to find one like Earth. Studying the changing climate of Earth is an essential step in helping scientists identify similarly habitable worlds beyond our solar system... As we encounter all the successes and setback to environmental...
  • Wobble Keeps Enceladus Ocean Liquid جمعه 23 مهر‌ماه سال 1389 20:35
    As Enceladus orbits Saturn, it wobbles slightly. This small but periodic shift might be enough to explain the liquid water ocean that scientists think may exist beneath the small moon's icy crust... Saturn's icy moon Enceladus should not be one of the most promising places in our solar system to look for...
  • Titan's Hazes May Hold Ingredients of Life جمعه 23 مهر‌ماه سال 1389 20:33
    A new simulation has demonstrated that complex organic molecules, such as amino acids and nucleotide bases, could be formed by chemical processes in the atmosphere of Titan. Studying these processes could yield clues about the origin of life... Simulating possible chemical processes in the atmosphere of Titan,...
  • The Year of the Solar System جمعه 23 مهر‌ماه سال 1389 20:29
    Planetary exploration is shifting into high gear with an unprecedented tripling of flybys, orbital insertions and launches to destinations around the solar system. To commemorate the increase, NASA has declared the year ahead "The Year of the Solar System."... Oct. 7, 2010: To mark an unprecedented flurry of...
  • Hello Hartley 2 جمعه 23 مهر‌ماه سال 1389 20:26
    The visitor from deep space, seen here by NASA's WISE mission, is comet Hartley 2 - the destination for NASA's EPOXI mission next month... This visitor from deep space, seen here by NASA's Wide-field Infrared Survey Explorer, or WISE, is comet Hartley 2 -- the destination for NASA's EPOXI mission. The comet, known...
  • NASA Loosens GRIP on Atlantic Hurricane Season جمعه 23 مهر‌ماه سال 1389 20:24
    NASA wrapped up one of its largest-ever hurricane research efforts last week after nearly two months of flights that broke new ground in the study of tropical cyclones... October 06, 2010 __JPL_CAPTION_1 › Browse version of image --> NASA wrapped up one of its largest hurricane research efforts ever last week...
  • 'A-Train' Satellites Search for 770 Million Tons of Dust in the جمعه 23 مهر‌ماه سال 1389 20:22
    Using data from several research satellites, scientists will spend the next three years trying to understand the climate impacts of about 770 million tons of dust carried into the atmosphere every year from the Sahara Desert... Using data from several research satellites, scientists will spend the next three years...
  • NASA's WMAP Project Completes Satellite Operations جمعه 23 مهر‌ماه سال 1389 20:19
    After nine years of scanning the sky, the Wilkinson Microwave Anisotropy Probe (WMAP) space mission has concluded its observations of the cosmic microwave background, the oldest light in the universe... After nine years of scanning the sky, the Wilkinson Microwave Anisotropy Probe (WMAP) space mission has concluded...
  • Cluster Helps Disentangle Turbulence in the Solar Wind جمعه 23 مهر‌ماه سال 1389 20:18
    This solar wind is some million degrees Celsius, can move as fast as 750 kilometers (466 statute miles) per second, and – so far – defies a complete description by any one theory... From Earth, the Sun looks like a calm, placid body that does little more than shine brightly while marching across the sky. Images from a...
  • NASA Study Sees Earth's Water Cycle Pulse Quickening جمعه 23 مهر‌ماه سال 1389 20:16
    Freshwater is flowing into Earth's ocean in greater amounts every year, thanks to more frequent and extreme storms related to global warming, according to a first-of-its-kind study by a team of NASA and university researchers... Freshwater is flowing into Earth's ocean in greater amounts every year, thanks to more...
  • NASA's EPOXI Mission Sets Up for Comet Flyby جمعه 9 مهر‌ماه سال 1389 21:29
    NASA's EPOXI mission successfully performed a trajectory correction maneuver today. The maneuver refined the spacecraft's orbit for a flyby of comet Hartley 2 on Nov. 4... September 29, 2010 __JPL_CAPTION_1 › Browse version of image --> PASADENA, Calif. - Earlier today, navigators and mission controllers for...
  • Atmosphere Checked, One Mars Year Before a Landing جمعه 9 مهر‌ماه سال 1389 21:27
    In preparation for NASA's next rover landing on the Red Planet, one Mars year away, an instrument studying the Martian atmosphere from orbit has begun a campaign... PASADENA, Calif. -- What will the Martian atmosphere be like when the next Mars rover descends through it for landing in August of 2012? An instrument...
  • NASA Uses 3 Satellites to See Strengthening Tropical Storm Nicol جمعه 9 مهر‌ماه سال 1389 21:26
    Satellite data from NASA showed frigid thunderstorm cloud top temperatures, heavy rainfall, and extensive cloud cover as Nicole strengthened... September 30, 2010 NASA Satellites See Nicole Become a Remnant, Another Low Soaking U.S. East Coast Tropical Storm Nicole was a tropical storm for around 6 hours before it...
  • NASA and NSF-Funded Research Finds First Potentially Habitable E جمعه 9 مهر‌ماه سال 1389 21:12
    A team of planet hunters has announced the discovery of a planet with three times the mass of Earth orbiting a nearby star at a distance that places it squarely in the middle of the star's "habitable zone."... A team of planet hunters from the University of California (UC) Santa Cruz, and the Carnegie...