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Keyword: asteroid

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  • New York Times' Gail Collins Aims Her Snark at the Space Program

    08/25/2013 3:02:29 PM PDT · by Marcus · 24 replies
    Yahoo Voices ^ | August 25, 2013 | Mark R. Whittington
    Gail Collins, the New York Times columnist who was best known for a snarky book about how Texas has far too much influence over how the United States is run, turned her gimlet eye toward the civil space program. Her column was a meandering look at the current crisis over which destination to pick for space exploration efforts going forward, with some side swipes against her favorite targets, Texas politicians such as Lamar Smith and Ted Cruz. Should be go to an asteroid (or rather, as the administration wants to do, bring it back) or go back to the moon....
  • Crashed Asteroid Has a Tail that Keeps Getting Longer

    06/04/2013 7:10:55 AM PDT · by BenLurkin · 18 replies
    www.universetoday.com ^ | June 4, 2013 | Nancy Atkinson on
    A strange comet-like object discovered in 2010 ended up being an asteroid that had been the victim of a head-on collision from another space rock. The object created a bit of buzz because of its mysterious X-shaped debris pattern and long, trailing streamers of dust. Named P/2010 A2 (LINEAR), the object is located in the asteroid belt between Mars and Jupiter, and has been the focus of much study, including images taken by the Hubble Space Telescope and many ground-based observatories. But over time, the asteroid’s long dust tail has grown to be so long that the entire object can’t...
  • Surprise! Earth Passing Asteroid 1998 QE2 Has a Moon

    05/30/2013 2:51:12 PM PDT · by BenLurkin · 27 replies
    UniverseToday ^ | May 30, 2013 | Nancy Atkinson on
    Late yesterday, NASA turned the 230-foot (70-meter) Deep Space Network antenna at Goldstone, California towards Asteroid 1998 QE2 as it was heading towards its closest approach to Earth, and they got a big surprise: the asteroid is a binary system. 1998 QE2 itself is 1.7 miles (2.7 kilometers) in diameter, and the newly found orbiting moon is about 600 meters in diameter. The radar images were taken were taken on May 29, 2013, when the asteroid was about 3.75 million miles (6 million kilometers) from Earth. “Radar really helps to pin down the orbit of an asteroid as well as...
  • How to Spot Near-Earth Asteroid 1998 QE2 This Week

    05/27/2013 4:23:09 PM PDT · by BenLurkin · 21 replies
    universetoday.com ^ | May 27, 2013 | David Dickinson on
    A large asteroid visits our fair corner of the solar system this week, and with a little planning you may just be able to spot it. Near Earth Asteroid (NEA) 285263 (1998 QE2) will pass 6.2 million kilometres from the Earth on Friday, May 31st at 20:59 Universal Time (UT) or 4:59PM EDT. Discovered in 1998 during the LIncoln Near-Earth Asteroid Research (LINEAR) sky survey looking for such objects, 1998 QE2 will shine at magnitude +10 to +12 on closest approach. Estimates of its size vary from 1.3 to 2.9 kilometres, with observations by the Spitzer Space Telescope in 2010...
  • Dark, massive asteroid to fly by Earth on May 31

    05/24/2013 10:44:22 AM PDT · by Red Badger · 31 replies
    Phys.Org ^ | 05-24-2013 | by Deborah Netburn
    It's 1.7 miles long. Its surface is covered in a sticky black substance similar to the gunk at the bottom of a barbecue. If it impacted Earth it would probably result in global extinction. Good thing it is just making a flyby. Asteroid 1998 QE2 will make its closest pass to Earth on May 31 at 1:59 p.m. PDT. Scientists are not sure where this unusually large space rock, which was discovered 15 years ago, originated. But the mysterious sooty substance on its surface could indicate it may be a result of a comet that flew too close to the...
  • No Buzz: Aldrin Trashes Obama Asteroid Mission

    05/09/2013 4:28:00 AM PDT · by LibWhacker · 76 replies
    USNews ^ | 5/8/13 | Jason Koebler
    The Apollo-era astronaut says NASA should be working manned Mars missionsThe second man to set foot on the moon wants to see NASA send people further into space than he ever traveled. Buzz Aldrin trashed NASA's plan to bring an asteroid into lunar orbit in a speech, advocating for a Mars colony. Aldrin, who recently published the book "Mission to Mars: My Vision for Space Exploration," said at the Washington, D.C. Humans to Mars summit Wednesday that President Barack Obama's asteroid mining plan is merely a distraction. "Bringing an asteroid back to Earth? What's that have to do with space...
  • Explaining NASA's plan on how to bag an asteroid (aka, NASA's plan to haul an asteroid)

    04/11/2013 2:33:53 PM PDT · by LibWhacker · 8 replies
  • Senator: NASA to lasso asteroid, bring it closer

    04/05/2013 1:21:15 PM PDT · by oxcart · 58 replies
    Associated Press ^ | April 05, 2013 | SETH BORENSTEIN
    WASHINGTON (AP) -- A top senator says President Barack Obama and NASA are planning for a robotic spaceship to lasso a small asteroid and park it near the moon. Then astronauts would explore it in 2021. Sen. Bill Nelson of Florida said the plan would speed up by four years the existing mission to land astronauts on an asteroid by bringing the space rock closer to Earth. Nelson, who is chairman of the Senate Science and Space Subcommittee, said Friday that Obama is putting $100 million for the accelerated asteroid mission in the 2014 budget that comes out next week....
  • Asteroid likely caused global fires, which led to extinctions

    03/28/2013 9:02:58 AM PDT · by Ernest_at_the_Beach · 42 replies
    Watts Up With That? ^ | March 27, 2013 | by Anthony Watts
    From the AGU:Global fires after the asteroid impact probably caused the K-Pg extinctionChicxulub Crater, Yucatán Peninsula, Mexico – Artist’s Impression Image: University of Colorado About 66 million years ago a mountain-sized asteroid hit what is now the Yucatan in Mexico at exactly the time of the Cretaceous-Paleogene (K-Pg) mass extinction. Evidence for the asteroid impact comes from sediments in the K-Pg boundary layer, but the details of the event, including what precisely caused the mass extinction, are still being debated.Some scientists have hypothesized that since the ejecta from the impact would have heated up dramatically as it reentered the Earth’s...
  • Large asteroid heading to Earth? Pray, says NASA

    03/19/2013 7:28:06 PM PDT · by NormsRevenge · 101 replies
    Yahoo! News ^ | 3/19/13 | Irene klotz - Reuters
    CAPE CANAVERAL, Florida (Reuters) - NASA chief Charles Bolden has advice on how to handle a large asteroid headed toward New York City: Pray. That's about all the United States - or anyone for that matter - could do at this point about unknown asteroids and meteors that may be on a collision course with Earth, Bolden told lawmakers at a U.S. House of Representatives Science Committee hearing on Tuesday. An asteroid estimated to be have been about 55 feet in diameter exploded on February 15 over Chelyabinsk, Russia, generating shock waves that shattered windows and damaged buildings. More than...
  • Astrobiologists claim meteorite carried space algae

    03/12/2013 10:27:50 AM PDT · by Red Badger · 41 replies
    Phys.Org ^ | 03-12-2013 | Staff
    A fireball that appeared over the Sri Lankan province of Polonnaruwa on December 29, 2012 was a meteorite containing algae fossils, according to a paper published in the Journal of Cosmology. A team of researchers, led by Jamie Wallis of Cardiff University, believes that these fossils provide evidence of cometary panspermia, the hypothesis that life originated in outer space and comets brought it to Earth. Scientists at the Sri Lankan Medical Research Institute in Colombo forwarded 628 stone fragments that allegedly fell from the fireball to Cardiff University, where Wallis' team indentified three as originating from a carbonaceous chondrite. The...
  • Asteroid to fly past Earth this weekend

    03/08/2013 5:24:39 PM PST · by SunkenCiv · 34 replies
    CNN blogs ^ | Thursday, March 7th, 2013 | Melissa Gray
    An asteroid the size of a city block will pass by Earth this weekend, but have no fear: There's no danger of it hitting our planet. The 80-meter (262 feet) wide asteroid makes its closest approach to Earth on Saturday afternoon in the United States. It will be about 975,000 kilometers (604,500 miles) away, said Don Yeomans, a planetary scientist at NASA's Jet Propulsion Laboratory in California. That's about 2 1/2 times the distance from the Earth to the moon. "It's a pretty good size, but it's not getting that close, at least by recent standards," Yeomans said. The asteroid...
  • Newly found asteroid to pass within Moon's orbit on March 4, 2013

    03/04/2013 7:29:22 AM PST · by Red Badger · 19 replies
    Phys.Org ^ | 03-04-2013 | by Nancy Atkinson, Universe Today
    A newly found asteroid will pass just inside the orbit of the Moon, with its closest approach on March 4, 2013 at 07:35 UTC. Named 2013 EC, the asteroid is about the size of the space rock that exploded over Russia two and a half weeks ago, somewhere between 10-17 meters wide (the Russian meteorite is estimated to be about 15 meters wide when it entered Earth's atmosphere). 2013 EC was discovered by the Mt. Lemmon Observatory in Arizona on March 2. There is no chance this asteroid will hit Earth. 2013 EC will come within 396,000 kilometers from Earth,...
  • Colombian boffins reconstruct flight path of Russian meteor ( Video Illustration)

    02/27/2013 10:20:27 AM PST · by Ernest_at_the_Beach · 11 replies
    The Register (UK) ^ | 27th February 2013 14:46 GMT | Brid-Aine Parnell
    Trajectory apparently began in near-Earth asteroid group ApolloAstroboffins have figured out where the Chelaybinsk meteorite came from using the power of maths and videos shot by witnesses in Russia.Click here for VideoJorge Zuluaga and Ignacio Ferrin of the University of Antioquia in Colombia have come up with a preliminary reconstruction of the orbit of the meteor, which smashed into the city in the Urals completely unexpectedly two weeks ago. By combing through the witness videos and using trigonometry, the astronomers have determined that the meteorite came from the Apollo class of asteroids in our Solar System's space rock belt. The...
  • Where exactly did the Russian meteor come from?

    02/26/2013 4:19:06 PM PST · by BenLurkin · 63 replies
    thewee.comk ^ | 4:22pm EST | Chris Gayomali |
    Poring over crowd-sourced footage, researchers Jorge Zuluaga and Ignacio Ferrin from the University of Antioquia in Medellin, Colombia, were able to use "simple trigonometry to calculate the height, speed, and position of the rock as it fell to Earth," says BBC News. More importantly, the duo was able to find out where Russia's most famous meteor was likely born. Using astronomy software developed by the U.S. Naval Observatory, Zuluaga and Ferrin gathered enough data to trace the meteoroid's origins in outer space. The information included the meteor's relative angle to the horizon, the shadows it cast, and video timestamps of...
  • Astronomy Picture of the Day -- Gravitational Tractor

    02/23/2013 10:02:55 AM PST · by SunkenCiv · 8 replies
    NASA ^ | February 21, 2013 | (see photo credit)
    Explanation: How would you change the course of an Earth-threatening asteroid? One possibility - a massive spacecraft that uses gravity as a towline - is illustrated in this artist's vision of a gravitational tractor in action. In the hypothetical scenario worked out in 2005 by Edward Lu and Stanley Love at NASA's Johnson Space Center, a 20 ton nuclear-electric spacecraft tows a 200 meter diameter asteroid by simply hovering near the asteroid. The spacecraft's ion drive thrusters are canted away from the surface. Their slight but steady thrust would gradually and predictably alter the course of the tug and asteroid,...
  • House committee to hold hearing on asteroid threat

    02/16/2013 1:39:21 PM PST · by JerseyanExile · 41 replies
    The Hill ^ | February 15, 2013 | Jonathan Easley
    The House Science, Space and Technology Committee will hold a hearing on how to “better identify and address asteroids that pose a potential threat to Earth,” Chairman Lamar Smith (R-Texas) said in a statement on Friday. The announcement comes after a meteorite exploded in a massive blast above Siberia that damaged buildings, houses and cars and injured about 1,000 people on Friday. "The light was so intense that it completely illuminated the courtyard of our apartment block," said Sergei Zakharov, head of the Russian Geographical Society in Chelyabinsk, according to The Wall Street Journal. "The sound, the shock wave came...
  • Russian 'meteor' was actually a tiny asteroid, NASA says (45 feet across, 10,000 tons & 40,000 mph)

    02/15/2013 11:28:48 PM PST · by 2ndDivisionVet · 150 replies
    The Los Angeles Times ^ | February 16, 2013 | Monte Morin
    At a news conference Friday, NASA scientists said the object that exploded over Russia was a “tiny asteroid” that measured roughly 45 feet across, weighed about 10,000 tons and traveled about 40,000 mph. The object vaporized roughly 15 miles above the surface of the Earth, causing a shock wave that triggered the global network of listening devices that was established to detect nuclear test explosions. The force of the explosion measured between 300 and 500 kilotons, equivalent to a modern nuclear bomb, according to Bill Cooke, head of the Meteoroid Environment Office at NASA's Marshall Space Flight Center in Huntsville,...
  • World's third largest asteroid impact zone found in South Australia

    02/15/2013 10:36:13 AM PST · by Red Badger · 26 replies
    Phys.org ^ | February 15, 2013 | by Sunanda Creagh
    An asteroid measuring up to 20km across hit South Australia up to 360 million years ago and left behind the one of the largest asteroid impact zones on Earth, according to new research published today. The impact zone in the East Warburton Basin was buried under nearly four kilometres of earth, said Dr Andrew Glikson, a visiting fellow to the Australian National University's Planetary Science Institute and a co-author of the paper. "It's significant because it's so large. It's the third largest impact terrain anywhere on Earth found to date," Dr Glikson said. "It's likely to be part of a...
  • 500 Hurt as Meteor Plummets to Earth in Russia

    02/15/2013 4:17:13 AM PST · by LadyEleanor · 302 replies
    The Weather Channel/AP ^ | Published: Feb 15, 2013, 6:43 AM | Jim Heintz