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  • Space Junk May Force Crew from ISS دوشنبه 18 آبان‌ماه سال 1388 22:49
    Update #2, 5:30 pm: NASA has now said that after further analysis, the space debris they have been tracking no longer poses any concern or threat to the ISS. Everyone can rest easy tonight! The piece of debris was only 5 cm long, and will not pass within the "pizza box" zone around the station (0.75 x 25 x...
  • Early Galaxy Pinpoints Reionization Era دوشنبه 18 آبان‌ماه سال 1388 22:48
    Astronomers looking to pinpoint when the reionozation of the Universe took place have found some of the earliest galaxies about 800 million years after the Big Bang. 22 early galaxies were found using a method that looks for far-away redshifting sources that disappear or "drop-out" at a specific wavelength....
  • NASA Science News for November 6, 2009 دوشنبه 18 آبان‌ماه سال 1388 22:47
    Long ago, something calamitous happened to Mars, transforming a warm and hospitable world into the frigid, seemingly lifeless desert we see today. Many scientists believe the Red Planet lost most of its atmosphere, but how? A new NASA mission named MAVEN is specifically designed to answer that question. FULL STORY at...
  • Hubble Unveils Stunning Star Birth in M83 دوشنبه 18 آبان‌ماه سال 1388 22:46
    It appears Hubble's new Wide Field Camera 3 (WFC3) is working. And how! The new camera installed during Servicing Mission 4 in May has delivered the most detailed view of star birth in the graceful, curving arms of the nearby spiral galaxy M83. Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star...
  • Found: Theoretical Supernova Actually Exists دوشنبه 18 آبان‌ماه سال 1388 22:44
    A new kind of supernova . Credit: Tony Piro Astronomers have identified a type of supernova that appears to be a type predicted in theory but never actually observed before. Two years ago Lars Bildsten from UC Santa Barbara and his colleagues predicted a new type of supernova in distant galaxies which they dubbed the...
  • Multi-Planet System is Chaotic, Dusty دوشنبه 18 آبان‌ماه سال 1388 22:43
    NASA's Spitzer Space Telescope captured this infrared image of a giant halo of very fine dust around the young star HR 8799. Image credit: NASA/JPL-Caltech/Univ. of Ariz. Just what is going on over at the star HR 8799? The place is a mess! But we can just blame it on the kids. Young, hyperactive planets circling the...
  • Neutron Star at Core of Cas A Has Carbon Atmosphere دوشنبه 18 آبان‌ماه سال 1388 22:42
    A Chandra X-ray Observatory image of the supernova remnant Cassiopeia A. Credit: NASA/CXC Supernova remnant Cassiopeia A (Cas A) has always been an enigma. While the explosion that created this supernova was obviously a powerful event, the visual brightness of the outburst that occurred over 300 years ago was much...
  • This Week's WITU Challenge دوشنبه 18 آبان‌ماه سال 1388 22:40
    Here's this week's image for the WITU Challenge, to test your visual knowledge of the cosmos. You know what to do: take a look at this image and see if you can determine where in the universe this image is from; give yourself extra points if you can name the spacecraft responsible for the image. We’ll provide the...
  • NASA May Drop Ares I-Y Test Flight دوشنبه 18 آبان‌ماه سال 1388 22:39
    Artist concept of Ares I. Image Credit: NASA Just one week after the first test flight test of the Ares I-X rocket, NASA says it may decide to cancel a follow-up launch called Ares 1-Y, which wasn't scheduled until 2014. Reportedly, program managers recommended dropping the flight because, currently, there isn't the...
  • Do "Skeleton" Filaments Give Structure to the Universe? دوشنبه 18 آبان‌ماه سال 1388 22:17
    This 3D illustration shows the position of the galaxies and reveals the extent of this gigantic structure. The galaxies located in the newly discovered structure are shown in red. Galaxies that are either in front or behind the structure are shown in blue. Credit: ESO Are there "skeletons" out in the...
  • Hints of More Extra-Galactic Planets دوشنبه 18 آبان‌ماه سال 1388 22:09
    M 51. Credit: NOAO We regularly report on the discovery of extrasolar planets in our galaxy , but earlier this year came news of possibly the first planet discovered outside of the Milky Way. Now comes news of the potential discovery of dozens of extragalactic planetary systems . Erin Mentuch and her colleagues at the...
  • NASA Science News for November 3, 2009 دوشنبه 18 آبان‌ماه سال 1388 22:07
    The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists, for the first time, an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like tail. FULL STORY at http://science.nasa.gov/headlines/y2009/03nov_hiddenterritory.htm?list1035898
  • Solving the Mystery of Cosmic Rays' Origins دوشنبه 18 آبان‌ماه سال 1388 22:06
    What accelerates cosmic rays to nearly the speed of light ? Astronomer have pondered that question for nearly 100 years, and now new evidence supports a theory held for two decades that cosmic rays likely are powered by exploding stars and stellar winds . "This discovery has been predicted for almost 20 years,...
  • Jupiter's Dueling Red Spots دوشنبه 18 آبان‌ماه سال 1388 22:04
    Even though most of us have been suffering from poor seeing conditions due to both hemisphere's seasonal climate changes, the changes we're experiencing look like nothing compared to what's happening on Jupiter . If you think we've got turbulent atmosphere and more than our fair share of clouds – then check out what...
  • Fabulous! Enceladus Raw Flyby Images دوشنبه 18 آبان‌ماه سال 1388 22:02
    Carolyn Porco , the lead for Cassini's imaging team, warned on Twitter that the flyby of Saturn 's moon Enceladus performed by the spacecraft on Nov. 2 wasn't really an "imaging" flyby, and that we might have to wait until the Nov. 21 flyby for really good images. But just take a look the images returned so...
  • 1 Milky Way; 3,000 Images شنبه 9 آبان‌ماه سال 1388 16:39
    What a gorgeous and immense image! And it's full of stars ! An astronomer from Central Michigan University has put together a new high-resolution panoramic image of the full night sky , with the Milky Way galaxy as its centerpiece. Axel Mellinger stitched together over 3,000 images to create this beautiful image,...
  • NASA Science News for October 30, 2009 شنبه 9 آبان‌ماه سال 1388 16:33
    NASA's next Mars rover , a super-capable robot named "Curiosity," will push Mars exploration to a new level. FULL STORY at http://science.nasa.gov/headlines/y2009/30oct_curiosity.htm?list1035898
  • Volunteers Still Needed for Simulated Mars Mission شنبه 9 آبان‌ماه سال 1388 16:31
    Need to get away from it all? If you have a background in medicine, computers or engineering and can speak a little Russian and English, this might be just what you are looking for. The European Space Agency and the Russian Institute of Medical and Biological Problems are still looking for volunteers to participate in...
  • Einstein Still Rules, Says Fermi Telescope Team شنبه 9 آبان‌ماه سال 1388 16:29
    While the Fermi Space Telescope has mapped the gamma ray sky with unprecedented resolution and sensitivity, it now has been able to take a measurement that has provided rare experimental evidence about the very structure of space and time, unified as space-time. Einstein's theory of relativity states that all...
  • Supernova 2009js… Another One Bites The Dust! شنبه 9 آبان‌ماه سال 1388 16:28
    SN 2009 JS in NGC 918 by Joe Brimacombe Far away in the constellation of Aries, in a 14th magnitude barred spiral galaxy designated as NGC 918… a star exploded with enough candlepower to briefly outshine its home. Discovered independently by Lick Observatory Supernova Search (LOSS) and Koichi Itagaki ( Japan ) on...
  • Free NASA iPhone App شنبه 9 آبان‌ماه سال 1388 16:23
    NASA announced last week they had developed the first iPhone application geared specifically for keeping track of all things NASA. I don't have an iPhone, so I didn't look into it, but the iPhone users I know seem to be very excited about it. So here's all the info you should need to hook up with NASA via your iPhone:...
  • Exploring With an Armada of Autonomous Robots شنبه 9 آبان‌ماه سال 1388 16:22
    Artist concept of orbiter, airblimps, rovers and robots working together. Credit: JPL JPL has a fun article on their website detailing what future robotic exploration might entail: an armada of robots could one day fly above the mountain tops of Saturn 's moon Titan , cross its vast dunes and sail in its liquid lakes....
  • Impact in Latvia Creates 20-Meter Crater شنبه 9 آبان‌ماه سال 1388 16:21
    A possible meteorite fall near in northern Latvia on Sunday left a crater approximately 20 meters (66 feet) in diameter and 10 meters (33 feet) deep. UPDATE: Many reports now say the impact was a fake; The Bad Astronomer says "shovel" marks were found around the perimeter of the crater ; additionally, a...
  • NASA Science News for October 27, 2009 شنبه 9 آبان‌ماه سال 1388 16:19
    It might not be obvious to the naked eye, but the sun is a variable star . A sensor slated for launch onboard NASA's Solar Dynamics Observatory will probe the sun's "sneaky variability" with better time and spectral resolution than ever before. FULL STORY at...
  • Podcast: Dwarf Stars شنبه 9 آبان‌ماه سال 1388 16:18
    We think we live near an average star , but that's not the case at all. Compared to most stars in the Universe , the Sun is a giant! Let's look at the small end of the stellar spectrum, to stars with a fraction of the size and mass of our own Sun. There are many ways that a star can get small, and they lead...
  • Podcast: Famous Stars شنبه 9 آبان‌ماه سال 1388 16:17
    This week we're going to talk about famous stars . But not those boring human ones you read about in People magazine. No, we're talking about those hot balls of plasma across the distant Universe . The close ones, the bright ones, the massive ones, the giant ones. Let's get to know some famous stars. Click here to...
  • Top Questions That Keep Physicists Awake at Night شنبه 9 آبان‌ماه سال 1388 16:14
    We all have things that keep us up at night, as we try to solve the problems in our lives. But just think of the poor physicists: They are trying to solve the problems of the Universe ! At a recent physics conference at the Perimeter Institute for Theoretical Physics in Waterloo, Canada , a panel of scientists were...
  • NASA Science News for October 23, 2009 شنبه 9 آبان‌ماه سال 1388 16:13
    NASA is planning a mission to study the Moon's fragile atmosphere--before it's too late. FULL STORY at http://science.nasa.gov/headlines/y2009/23oct_ladee.htm?list1035898
  • Missions to Mars Poster شنبه 9 آبان‌ماه سال 1388 16:11
    If you enjoyed the zoomable poster of 50 year of space exploration , you'll probably also like this new poster of Mars missions. It's basically a bar graph, with missions to Mars as listed chronologically, and the mission result is coded by how close the corresponding bar reaches to Mars. The poster also lists a few...
  • Committee Urges Multi-Destination Plan for NASA Human Space Flig شنبه 9 آبان‌ماه سال 1388 16:10
    The Augustine Commission released their final report today, and while they didn't offer specific recommendations for NASA 's human space flight program, they laid out five possible options, highlighting a flexible plan that allows for several destinations out of low Earth orbit . The report also encouraged commercial...