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NASA Science News for October 6, 2009
جمعه 17 مهرماه سال 1388 23:16
Archeologists are using NASA satellites and supercomputers to crack the mystery of the ancient Maya. New findings suggest the Maya may have played a key role in their own downfall. FULL STORY at http://science.nasa.gov/headlines/y2009/06oct_maya.htm?list1035898
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NASA Science News for October 5, 2009
جمعه 17 مهرماه سال 1388 23:15
On Friday morning, Oct. 9th, you can watch a pair of spacecraft crash into the Moon with your own eyes. The purposeful impacts are the climax of NASA's LCROSS mission to unearth signs of water in lunar soil . Today's story tells how and where to look. FULL STORY at...
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NASA Science News for September 29, 2009
جمعه 17 مهرماه سال 1388 23:14
NASA spacecraft are measuring record-high levels of cosmic rays--a side-effect of the deepest solar minimum in nearly a century. The cosmic ray storm appears to be intensifying, say researchers, and the peak may be yet to come. FULL STORY at http://science.nasa.gov/headlines/y2009/29sep_cosmicrays.htm?list1035898
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NASA Science News for September 24, 2009
جمعه 17 مهرماه سال 1388 23:13
Fresh meteorite impacts are exposing underground ice on Mars. NASA's Mars Reconnaissance Orbiter is beaming back must-see photos of the process at work. FULL STORY at http://science.nasa.gov/headlines/y2009/24sep_martianice.htm?list1035898
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NASA Science News for September 24, 2009
جمعه 17 مهرماه سال 1388 23:00
Using instruments on three separate spacecraft, scientists have discovered water molecules in the polar regions of the Moon. FULL STORY at http://science.nasa.gov/headlines/y2009/24sep_moonwater.htm?list1035898
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NASA Science News for September 23, 2009
جمعه 17 مهرماه سال 1388 22:59
NASA's MESSENGER spacecraft is set to make its third and final flyby of the planet Mercury on Sept. 29th. The encounter is expected to produce hundreds of images of previously unseen terrain and confirm the strange elliptical shape of Mercury's equator. FULL STORY at...
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340 Million Pixels of GigaGalaxy Zoom
سهشنبه 31 شهریورماه سال 1388 20:07
Second image from GigaGalaxy Zoom. Credit: Stéphane Guisard Last week the GigaGalaxy Zoom project introduced an interactive 360-degree panorama of the entire night sky, and they promised more zoomable images to come. The second of three images is now available, and it is a wonderful 340-million-pixel vista of the...
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Why is Mars Red? New Study Offers Surprises
سهشنبه 31 شهریورماه سال 1388 20:05
Is Mars red due to rocks being rusted by the water that once flooded the red planet ? And is the only explanation for the hematite found by Mars orbiters and studied by the Mars Exploration rovers is that water once was present in volumes on Mars? Not necessarily, says a new study. Research done by Dr. Jonathan...
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New Equinox Stunners From Cassini
سهشنبه 31 شهریورماه سال 1388 20:04
Every 14.8 Earth years, equinox occurs at Saturn. But this is the first time there has been a spacecraft in situ to watch what happens when the sun is directly overhead at the equator, illuminating the rings directly edge-on. New images compiled from the Cassini spacecraft show a rare and breathtaking display of...
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NASA Science News for September 21, 2009
سهشنبه 31 شهریورماه سال 1388 20:01
Using a colossal radio telescope in the Mojave Desert, school kids around the world are helping NASA track the LCROSS spacecraft as it heads for a crash landing on the Moon . FULL STORY at http://science.nasa.gov/headlines/y2009/21sep_gavrt.htm?list1035898
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NASA Has a Little Fun With Buzz
سهشنبه 31 شهریورماه سال 1388 19:59
Buzz Lightyear returns from 15 months in the ISS. Credit: NASA. Click for larger image. Buzz Lightyear, that is. The action figure returned from space on Sept. 11 , aboard space shuttle Discovery's STS-128 mission after 15 months aboard the International Space Station . Word has it that Disney is quite excited about...
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Planck First Light
سهشنبه 31 شهریورماه سال 1388 19:56
Strips of the sky measured by Planck . Credit: ESA One of the newest telescopes in space , the Planck spacecraft, recently completed its "first light" survey which began on August 13. Astronomers say the initial data, gathered from Planck's vantage point at the L2 point in space, is excellent. Planck is...
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Weekend SkyWatcher's Forecast – September 18-20, 2009
سهشنبه 31 شهریورماه سال 1388 19:55
Greetings, fellow SkyWatchers! It's an awesome weekend forecast for many of us attending Fall Star Parties, and all over the world we're looking forward to moonless nights and the fellowship with our brother and sister amateur astronomers. If you've never been to a star party, try the Goggle pages for information… you...
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Space Shuttle Flushes the Toilet for All the World To See
سهشنبه 31 شهریورماه سال 1388 19:54
Shuttle with water dump. Copyright Clair Perry This picture is from last week; September 9 , 2009 to be exact, but I still wanted to share it. I just got in touch with photographer Clair Perry from Prince Edward Island, Canada to get his permission to post the image. No, this is not a comet . Pictured is space shuttle...
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Best Ever View of Andromeda in Ultraviolet
سهشنبه 31 شهریورماه سال 1388 19:50
Normally, the Swift satellite is searching for distant cosmic explosions. But recently it took some time to take a long look (total exposure time: 24 hours) with its ultraviolet eyes at the Andromeda galaxy , a.k.a. M31 . The result is this gorgeous image. "Swift reveals about 20,000 ultraviolet sources in M31,...
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NASA Science News for September 15, 2009
سهشنبه 31 شهریورماه سال 1388 19:46
NASA is set to launch a sensitive new infrared telescope to seek out sneaky things in the night sky -- among them, dark asteroids that could pose a threat to Earth. FULL STORY at http://science.nasa.gov/headlines/y2009/15sep_ninjaastronomy.htm?list1035898
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Titan's Haze Acts as Ozone Layer
سهشنبه 31 شهریورماه سال 1388 19:45
Titan appears to be more like Earth all the time, and a new understanding of Titan's hazy atmosphere could provide clues to the evolution of Earth's early atmospheric environment and the development of life on our home planet . Researchers have discovered a series of chemical reactions on Saturn ’s largest moon that...
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Mini Comets Ejected from Comet Holmes Caused Outburst
سهشنبه 31 شهریورماه سال 1388 19:44
Comet 17P/Holmes caused a sensation in October and November 2007 when overnight, it brightened enough to be visible with the naked eye and became the largest cometary outburst ever witnessed. Using a special filter on the Canada- France- Hawaii Telescope in Hawaii , astronomers were able to peer inside Comet Holmes to...
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New Wallpaper for Star Trek, Cassini Fans
سهشنبه 31 شهریورماه سال 1388 19:43
Star Trek fan? Like Cassini and Saturn? The very busy planetary scientist Carolyn Porco also has a visual graphics company, Diamond Sky Productions and they have created some new wallpapers featuring scenes from the latest Star Trek motion picture. The images are copyrighted, so we can't post them here, but no doubt...
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Super Cell Lightning Storm Raging on Saturn Since January
سهشنبه 24 شهریورماه سال 1388 22:36
The Cassini spacecraft has been in orbit around Saturn since 2004 and during its mission, has watched nine different lightning storms rage on the planet . But this latest one is the longest lasting and most powerful storm yet: it has been going on since mid-January 2009 with no end in sight. It broke the storm...
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Interactive 360-Degree Panorama of Entire Night Sky Now Availabl
سهشنبه 24 شهریورماه سال 1388 22:33
A stunning new 800-million-pixel panorama of the entire sky has been released online for everyone to enjoy. GigaGalaxy Zoom is a project for the International Year of Astronomy , and it allows users to dive right into the Milky Way Galaxy , and learn more about our celestial neighborhood. The project allows stargazers...
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Temporary Radiation Belt Discovered at Saturn
سهشنبه 24 شهریورماه سال 1388 22:31
A new, temporary radiation belt has been detected at Saturn, located about 377,000 km from the center of the planet , near the orbit of the moon Dione . The temporary radiation belt was short-lived and formed three times in 2005. It was observed as sudden increases in the intensity of high energy charged particles in...
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Jupiter Captured Comet as Temporary Moon
سهشنبه 24 شهریورماه سال 1388 22:27
Jupiter's gravity well has been known to capture objects – evidenced by the recent impact on the gas giant discovered by amateur astronomer Anthony Wesley. But one object captured by Jupiter in the mid 1900's was later able to escape from the planet 's clutches. Researchers have found comet 147P/Kushida-Muramatsu was...
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LCROSS Impact Site on Moon Announced: Cabeus A
سهشنبه 24 شهریورماه سال 1388 22:25
On October 9, 2009, at 7:30 a.m. EDT professional and amateur astronomers alike will be focusing their telescopes on the south pole of the Moon, hoping to see a little fireworks. Or more accurately, they are hoping to see ice. NASA will be sending the upper stage of a Centaur rocket to impact a permanently shadowed...
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NASA Science News for September 11, 2009
سهشنبه 24 شهریورماه سال 1388 22:22
In search of water, NASA 's Lunar Crater Observation and Sensing Satellite (LCROSS) is on a collision course with the Moon. Today NASA announced exactly where the impact will take place. FULL STORY at http://science.nasa.gov/headlines/y2009/11sep_lcrosstarget.htm?list1035898
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Where In The Universe #70
سهشنبه 24 شهریورماه سال 1388 22:14
Ready for another Where In The Universe Challenge? Here's #70! Take a look and see if you can name where in the Universe this image is from. Give yourself extra points if you can name the spacecraft responsible for the image. As usual, we’ll provide the image today, but won’t reveal the answer until tomorrow. This...
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Hubble Wows With New Images
سهشنبه 24 شهریورماه سال 1388 22:09
Butterfly emerges from new Hubble images. Credit: NASA , ESA, and the Hubble SM4 ERO Team Hubble is back! The wait is over and here are the new pictures from the newly refurbished Hubble Space Telescope . Above is an image taken by the Wide Field Camera 3 (WFC3), a new camera aboard NASA’s Hubble Space Telescope ,...
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Create Your Own Galaxy Mashup With New Galaxy Zoo Tool
سهشنبه 24 شهریورماه سال 1388 22:06
M81. Image credit: NASA/JPL-Caltech/ESA/Harvard-Smithsonian CfA If you haven't yet succumbed to the temptation of Galaxy Zoo, a new add-on to the popular citizen scientist project just might catapult you into joining the thousands of people who are clicking and classifying. Galaxy Zoo has now teamed up with...
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Magnetic Fields Have Key Influence on Star Formation
سهشنبه 24 شهریورماه سال 1388 22:05
When a giant cloud of interstellar gas and dust collapses to form a new cluster of stars , only a small fraction of the cloud's mass ends up in stars. Scientists have never been sure why. But a new study provides insights into the role magnetic fields might play in star formation , and suggests more than the influence...
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NASA Science News for September 9, 2009
چهارشنبه 18 شهریورماه سال 1388 23:39
Today, astronomers declared the Hubble Space telescope a fully rejuvenated observatory with the release of spectacular new images and data from four of its six operating science instruments. FULL STORY AND IMAGES at http://science.nasa.gov/headlines/y2009/09sep_hubbleimages.htm?list1035898