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The Orionid Meteor Shower – What Did You See?
شنبه 9 آبانماه سال 1388 16:09
If you had the opportunity this morning to witness the offspring of Comet Halley, then I'm curious as to what you might have noticed about this reliable annual meteor shower. (...) Read the rest of The Orionid Meteor Shower – What Did You See? (303 words)
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This Week's Where In The Universe Challenge
شنبه 9 آبانماه سال 1388 16:08
It’s time once again for another Where In The Universe Challenge. Test your visual knowledge of the cosmos by naming where in the Universe this image was taken and give yourself extra points if you can name the spacecraft responsible for this picture. Post your guesses in the comments section, and check back later at...
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Have a Galileo Moment
شنبه 9 آبانماه سال 1388 16:07
Starting tomorrow (Oct. 22) professional and amateur astronomers around the world will be out in force to encourage as many people as possible to look through a telescope . The International Year of Astronomy 2009 Cornerstone project, Galilean Nights, will be a global experience, with more than 1000 public observing...
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LRO, Chandrayaan-1 Scientist Arrested for Espionage
شنبه 9 آبانماه سال 1388 16:03
Times are tough, but you have to wonder what this guy was thinking. Stewart David Nozette, 52, who was involved in the recent discovery of water on the Moon by the Chandrayaan -1 spacecraft has been arrested for espionage for allegedly trying to sell details of US missile detection satellites in exchange for cash....
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Could a Black Hole Fit in Your Computer or In Your Pocket?
شنبه 9 آبانماه سال 1388 16:02
Some of the most frequently asked questions we get here at Universe Today and Astronomy Cast deal with black holes . Everyone wants to know what conditions would be like at the event horizon , or even inside a black hole . Answering those questions is difficult because so much about black holes is unknown. Black holes...
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HARPS Discovers 32 New Exoplanets
شنبه 9 آبانماه سال 1388 16:00
Astronomers have found 32 new planets outside our solar system with the High Accuracy Radial Velocity Planet Searcher , better known as HARPS, the spectrograph for the European Southern Observatory's (ESO) 3.6-metre telescope . The number of known exoplanets is now at 406, and HARPS itself has discovered more than 75...
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Giant Impact Near India — Not Mexico — May Have Killed Dinosaurs
شنبه 9 آبانماه سال 1388 15:59
A huge, mysterious basin off the coast of India could be the largest, multi-ringed impact crater ever found on Earth . And if a new study is right, this impact may supercede the one that created the Chicxulub crater off Mexico's Yucatán Peninsula as what may have been responsible for killing the dinosaurs 65 million...
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Launches and Dockings and Robots, Oh My!
شنبه 9 آبانماه سال 1388 15:58
It was a busy weekend in the world of space flight — both present and future — and so we'll try to fit it all in one article, and include a couple of videos to help tell the stories. Before that, however, just a reminder that the Ares-I-X is slated to roll out to launchpad 39-B early Tuesday morning at 12:01 am EDT,...
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MER Team Prepares to Extract Spirit
شنبه 9 آبانماه سال 1388 15:55
To prepare for an actual attempt to extract the Spirit rover from its sand-trapped predicament, engineers using test rovers on Earth have added a new challenge. Until last week, those commanding and assessing drives by the test rovers were usually in the same room as the sandbox setup simulating Spirit's predicament,...
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NASA Science News for October 19, 2009
شنبه 9 آبانماه سال 1388 15:53
Caused by debris from Halley's Comet , the 2009 Orionid meteor shower peaks on Wednesday, Oct. 21st, and forecasters say it could be an unusually good show. FULL STORY at http://science.nasa.gov/headlines/y2009/19oct_orionids.htm?list1035898
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Opportunity Discovers Still Another Meteorite! Find It on Google
شنبه 9 آبانماه سال 1388 15:51
Mackinac on Mars. Credit: NASA/JPL/ colorization by Stuart Atkinson Opportunity must be driving down Meteorite Alley on Mars. The rover has come across still another meteorite, the third space rock it has found the past few months, and fourth overall since 2005. This one is called Mackinac, which continues the...
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Moon Crash Plume Visible to Spacecraft But Not Earth Telescopes
شنبه 9 آبانماه سال 1388 15:49
Zoomed in image of the impact plume. The extent of the plume at 15 sec is approximately 6-8 km in diameter. Credit: NASA Nine science instruments on board the LCROSS spacecraft captured the entire crash sequence of the Centaur impactor before the spacecraft itself impacted the surface of the moon . But from Earth ,...
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Where Could Humans Survive in our Solar System?
شنبه 25 مهرماه سال 1388 19:30
If humans were forced to vacate Earth , where is the next best place in our solar system for us to live? A study by the University of Puerto Rico at Arecibo has provided a quantitative evaluation of habitability to identify the potential habitats in our solar system. Professor Abel Mendez, who produced the study also...
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Hot Crescent Rolls… A Bubble?
شنبه 25 مهرماه سال 1388 19:28
The Crescent Nebula, also known as NGC 6888, is a very well renown and most intriguing object located in the constellation Cygnus in the northern hemisphere. At an apparent size of about 18 by 13 arc-minutes it is a very pale nebula. Even in a moderate amateur telescope you can't quite see this one unless you have...
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Weekend SkyWatcher's Forecast – October 16-18, 2009
شنبه 25 مهرماه سال 1388 19:27
Greetings, fellow Stargazers! Were you up early this morning? If so, you were greeted by an awesome scene, much like this one captured by Danilo Pivato . There's nothing more eyecatching the a close appearance of Venus and the Moon ! With dark skies this weekend, it will be a good opportunity to broaden your...
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Spacecraft Detects Mysterious "Ribbon" at Edge of Solar System
شنبه 25 مهرماه سال 1388 19:22
Accurate timing of the incoming ENAs allows the IBEX team to obtain a higher resolution in the latitudinal direction. The inset at right shows some of the fine detail of the ribbon. Credit: Southwest Research Institute (SwRI) Since it launched a year ago, the Interstellar Boundary Explorer (IBEX) has been monitoring...
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If We Live in a Multiverse, How Many Are There?
شنبه 25 مهرماه سال 1388 19:19
Theoretical physics has brought us the notion that our single universe is not necessarily the only game in town. Satellite data from WMAP , along with string theory and its 11- dimensional hyperspace idea has produced the concept of the multiverse, where the Big Bang could have produced many different universes...
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NASA Science News for October 15, 2009
شنبه 25 مهرماه سال 1388 19:15
NASA's IBEX spacecraft has discovered a vast, glowing ribbon at the edge of the solar system. One mission scientist calls the discovery "shocking" and says theorists are "working like crazy" to explain the finding. FULL STORY at http://science.nasa.gov/headlines/y2009/15oct_ibex.htm?list1035898
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NASA Science News for October 15, 2009
شنبه 25 مهرماه سال 1388 19:12
How do you fly on a world with no atmosphere? Wings won't work and neither do propellers. The space agency is perfecting the art of "airless flying" using a prototype lunar lander at the Marshall Space Flight Center . FULL STORY at http://science.nasa.gov/headlines/y2009/15oct_lunarlander.htm?list1035898
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Tweet Your Way to the Next Space Shuttle Launch
شنبه 25 مهرماه سال 1388 19:10
Space shuttle Atlantis rolled out to Launch Pad 39A on Wednesday in preparation for the next shuttle flight, STS-129, currently scheduled for liftoff on Nov. 12, 2009 at 4:04 p.m. EST. And in case you haven't heard, for the first time, NASA is inviting those who use Twitter to view a space shuttle launch in person....
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Asteroid Pallas is Also a Protoplanet
شنبه 25 مهرماه سال 1388 19:06
Some objects in the solar system are in a "gray area," and can be classified under more than one heading. Add the asteroid Pallas to that group. New close-up images of Pallas from the Hubble Space Telescope reveal that the second largest asteroid in the solar system appears to be a protoplanet , as well....
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A Very Large 3-D Movie
شنبه 25 مهرماه سال 1388 19:04
Quick! Grab a pair of red and green 3-D glasses and slap them on to watch this great time lapse video of the Very Large Telescope at the Paranal Observatory , high in the Atacama Desert in Chile. It shows a complete night at the observatory, and you can see the four 8m telescopes and the four 1.8m telescopes of the...
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Amazing Zoomable Poster on 50 Years of Space Exploration
شنبه 25 مهرماه سال 1388 19:02
National Geographic has put together a really nice zoomable poster on the history of robotic space exploration. It looks a little psychedelic from a distance, but zoom right in and follow the different missions to the various locations in our solar system , and see where the missions currently underway — like New...
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Hubble's Amazing Rescue on NOVA
شنبه 25 مهرماه سال 1388 18:59
In a world where you have just one chance to save a dying explorer, the only hope is a space shuttle mission …(said in my deepest, most dramatic voice….) Enjoy this movie-like trailer for the upcoming NOVA special on PBS stations in the US, "Hubble's Amazing Rescue." It looks like a great show, providing the...
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Moon Impact Data and Images from LCROSS: First Glance
شنبه 25 مهرماه سال 1388 18:56
Even without big explosions or bright plumes of ejecta , for all intents and purposes it appears LCROSS's impact on the Moon was a smashing success. While the mainstream media and the public seemed disappointed in the lack of visual data, mission managers said the mission has garnered plenty of spectroscopic data, and...
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No, NASA Is Not Bombing the Moon
جمعه 17 مهرماه سال 1388 23:23
There seems to be a little lunacy making the rounds that NASA is going to "bomb" the Moon on Friday morning, or "hurt the Moon," or "split the Moon in half," or change its orbit . This is all just nonsense and scare-mongering, and those worried about our Moon can rest assured our lunar...
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This Week's Where In The Universe Challenge
جمعه 17 مهرماه سال 1388 23:22
I'm a day late (sorry!) but here's this week's image for the Where In The Universe 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...
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LCROSS (and the Moon) Up Close
جمعه 17 مهرماه سال 1388 23:20
The LCROSS spacecraft will be giving it all up for science Friday morning when it and the second stage of the Centaur rocket impact Cabeus crater on the Moon 's south pole, searching for possible water ice hidden inside the perpetually dark portions of the crater . Since we'll never see LCROSS again, its only fitting...
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NASA Science News for October 7, 2009
جمعه 17 مهرماه سال 1388 23:18
NASA scientists have figured out how to extract water from lunar soil . Their approach is as easy as using a microwave oven . FULL STORY at http://science.nasa.gov/headlines/y2009/07oct_microwave.htm?list1035898
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NASA Science News for October 7, 2009
جمعه 17 مهرماه سال 1388 23:17
Just when you thought every big thing in the Solar System had already been discovered, NASA's Spitzer Space Telescope has found an extraordinary new "supersized" ring around Saturn. FULL STORY at http://science.nasa.gov/headlines/y2009/07oct_giantring.htm?list1035898