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Small Asteroid 2009 VA Whizzes By The Earth

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Yeomans, Paul Chodas, Steve Chesley NASA/JPL Near-Earth Object Program Office November 9, 2009 Trajectory of Asteroid 2009 VA Past Earth on November 6, 2009 A newly discovered asteroid designated 2009 VA, which is only about 7 meters in size, passed about 2 Earth radii (14,000 km) from the Earth's surface Nov. 6 at around 16:30 EST. This is the third-closest known (non-impacting) Earth approach on record for a cataloged asteroid. The two closer approaches include the 1-meter sized asteroid 2008 TS26, which passed within 6,150 km of the Earth's surface on October 9, 2008, and the 7-meter sized asteroid 2004 FU162 that passed within 6,535 km on March 31, 2004. On average, objects the size of 2009 VA pass this close about twice per year and impact Earth about once every 5 years. Asteroid 2009 VA was discovered by the Catalina Sky Survey about 15 hours before the close approach, and was quickly identified by the Minor Planet Center in Cambridge MA as an object that would soon pass ...

NASA Talks About 2012: Beginning of the End or Why the World Won't End?..

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11.06.09 Scenes from the motion picture "2012." Courtesy Columbia Pictures. Remember the Y2K scare? It came and went without much of a whimper because of adequate planning and analysis of the situation. Impressive movie special effects aside, Dec. 21, 2012, won't be the end of the world as we know. It will, however, be another winter solstice. Much like Y2K, 2012 has been analyzed and the science of the end of the Earth thoroughly studied. Contrary to some of the common beliefs out there, the science behind the end of the world quickly unravels when pinned down to the 2012 timeline. Below, NASA Scientists answer several questions that we're frequently asked regarding 2012. Question (Q): Are there any threats to the Earth in 2012? Many Internet websites say the world will end in December 2012. Answer (A): Nothing bad will happen to the Earth in 2012. Our planet has been getting along just fine for more than 4 billion years, and credible scientists worldwide know of ...

Violent Explosion Is Most Distant Object Ever Seen

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By Andrea Thompson Senior Writer posted: 28 October 2009 02:01 pm ET Light from a star that exploded 13 billion years ago has been detected, becoming the most distant object in the universe ever observed. The light from the distant explosion, called a gamma-ray burst, first reached Earth on April 23 and was detected by NASA's Swift satellite . Gamma-ray bursts are thought to be associated with the formation of star-sized black holes as massive stars collapse. Within hours, telescopes around the world were turned on the burst — the most violent explosions in the universe — observing its fading afterglow to glean clues about its source and location. Two teams, one using the European Southern Observatory's 8.2-meter Very Large Telescope, located in La Silla, Chile, and the other using the 3.6-meter Italian Telescopio Nazionale Galileo in Spain, pinpointed the distance to the blast, dubbed GRB 090423, at more than 13 billion light-years from Earth. (The previous record holder , GR...

Agensi Angkasa Lepas

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IYA0918: Galilean Nights: Get Ready for a Galileo Experience!

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Oct 21, 2009, Paris The International Year of Astronomy 2009 Cornerstone project, Galilean Nights, begins tomorrow. Hundreds of thousands of people all around the world will experience their own “Galileo moment” when they look up at the sky through a telescope for the first time. Galilean Nights will be a global experience, with more than 1000 public observing events in over 70 countries, and this number is still increasing each day. Click to Enlarge The Galilean Nights is a Cornerstone project of the International Year of Astronomy 2009 (IYA2009) and takes place from 22-24 October 2009. From stargazing in the deserts of Iran to the culinary delights of food and star parties in rural Australia, and from large observing parties in the busy capital city of Uruguay to neighbours in China studying craters on the Moon, Galilean Nights is an event for people from all walks of life, all around the globe. Visit the website for information on all activities and to find an event near you: www.ga...

2009 LEONID OUTBURST FORECAST

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A significant shower is expected this year when Earth crosses the 1466-dust and 1533-dust ejecta of comet 55P/Tempel-Tuttle. According to J. Vaubaillon, the narrow (about 1-hr) shower is expected to peak on November 17, 2009, at 21:43 (1466) and 21:50 (1533) UT, perhaps 0.5 to 1.0 hour later based on a mis-match in 2008, with rates peaking at about ZHR = 115 + 80 = 195/hr (scaled to rates observed in 2008). E. Lyytinen, M. Maslov, D. Moser, and M. Sato all predict similar activity from both trails, combining to about ZHR = 150 - 300 /hr. P. Jenniskens notes that if the calculated trail pattern is slightly shifted in the same manner as observed before, then the 1533-dust trail would move in Earth's path and its rates would be higher (the 1466-dust trail would move away). However, the 1533-dust trail is distorted in the models, and because of that it is not clear how much higher that would be. This remains a rare opportunity to study old dust trails from comet 55P/Tempel-Tuttle. I...

Small asteroid bypasses Earth

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PASADENA--A small asteroid buzzed the Earth over the weekend flying just inside the orbit of the moon. It passed safely by our home planet, according to a crack team of NASA space rock trackers. The space rock, named 2009 TM8, was just discovered Thursday by the Catalina Sky Survey in Arizona. It will got within 216,000 miles of Earth when it zooms by at a speed of about 18,163 mph. "That's slightly closer than the orbit of our moon," NASA's Asteroid Watch team said. The asteroid hunters at the Jet Propulsion Laboratory (JPL) in Pasadena, Calif., stands on constant watch for rogue space rocks that could pose an impact risk to Earth. It was the same team which, last week, scaled back the risk of another asteroid, a large space rock called Apophis, hitting the Earth in 2036. Compared to Apophis, which is as large as two football fields, 2009 TM8 is tiny. It is about 30 feet (7 meters) across and was discovered Thursday by skywatchers, JPL officials told SPACE.com. Such ...