Asteroids - NASA / JPL

Asteroids - NASA / JPL Copyright (c) 2009 NASA / JPL All rights reserved. http://www.jpl.nasa.gov/asteroidwatch/index.cfm asteroids Asteroids and comets are believed to be ancient remnants of the earliest years of the formation of our solar system more than four billion years ago. Visit JPL's Asteroid Watch website for more information. en-us Wed, 18 Nov 2009 02:27:06 GMT 5 Asteroids - NASA / JPL http://www.jpl.nasa.gov/asteroidwatch/index.cfm http://www.jpl.nasa.gov/multimedia/podcast/planets-300.jpg NASA Refines Asteroid Apophis' Path Toward Earth http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2332&rn=asteroid.xml&rst=2332 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2332&rn=asteroid.xml&rst=2332 NASA / JPL science Wed, 07 Oct 2009 19:10:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2332&rn=asteroid.xml&rst=2332' "> <img src='http://www.jpl.nasa.gov/images/asteroid/apophis-20071114-th.jpg' align='left' alt='Asteroid Apophis' width='100' height='75' border='0' /></a> Using updated information, NASA scientists have recalculated the path of a large asteroid. Asteroid Juno Grabs the Spotlight http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2314&rn=asteroid.xml&rst=2314 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2314&rn=asteroid.xml&rst=2314 NASA / JPL science Wed, 16 Sep 2009 19:09:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2314&rn=asteroid.xml&rst=2314' "> <img src='http://www.jpl.nasa.gov/images/asteroid/juno20090916/juno20090916-th.jpg' align='left' alt='asteroid Juno' width='100' height='75' border='0' /></a> Toward the end of September, the sun will turn a spotlight on the asteroid Juno, giving that bulky lump of rock a rare featured cameo in the night sky. Jumping Asteroids http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2286&rn=asteroid.xml&rst=2286 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2286&rn=asteroid.xml&rst=2286 NASA / JPL science Tue, 18 Aug 2009 19:08:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2286&rn=asteroid.xml&rst=2286' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20090818/neo20090818-th.jpg' align='left' alt='a massive collision between rocky, embryonic planets as big as mountain ranges' width='100' height='75' border='0' /></a> How our solar system was formed has fascinated scientists and laymen alike for -- well, for a really, really long time. New research may have answered a piece to the puzzle - how big were the first planetesimals? On the JPL Blog: Comets and Life On Earth http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2282&rn=asteroid.xml&rst=2282 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2282&rn=asteroid.xml&rst=2282 NASA / JPL science Mon, 17 Aug 2009 19:08:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2282&rn=asteroid.xml&rst=2282' "> <img src='http://www.jpl.nasa.gov/images/blog/20090817/yeomans-blog-th.jpg' align='left' alt='Don Yeomans' width='100' height='75' border='0' /></a> With the recent discovery of the amino acid glycine in the comet dust samples returned to Earth by the Stardust spacecraft, it is becoming a bit more clear how life may have originated on Earth. NASA Researchers Make First Discovery of Life's Building Block in Comet http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2280&rn=asteroid.xml&rst=2280 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2280&rn=asteroid.xml&rst=2280 NASA / JPL science Mon, 17 Aug 2009 19:08:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2280&rn=asteroid.xml&rst=2280' "> <img src='http://www.jpl.nasa.gov/images/stardust/20090817/sd_comet-th.jpg' align='left' alt='This is an artist's concept of the Stardust spacecraft beginning its flight through gas and dust around comet Wild 2.' width='100' height='75' border='0' /></a> NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft. New Near-Earth Object Report from National Research Council http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2275&rn=asteroid.xml&rst=2275 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2275&rn=asteroid.xml&rst=2275 NASA / JPL science Wed, 12 Aug 2009 19:08:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2275&rn=asteroid.xml&rst=2275' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20090812/neo20090812-th.jpg' align='left' alt='color image of Eros' width='100' height='75' border='0' /></a> In the 2005 NASA Authorization Act, Congress mandated that by 2020 NASA should be capable of detecting at least 90 percent of objects over 140 meters wide in the vicinity of Earth’s orbit. Meteorite Found on Mars Yields Clues About Planet's Past http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2265&rn=asteroid.xml&rst=2265 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2265&rn=asteroid.xml&rst=2265 NASA / JPL science Mon, 10 Aug 2009 19:08:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2265&rn=asteroid.xml&rst=2265' "> <img src='http://www.jpl.nasa.gov/images/mer/2009-08-10/merF-20090810-th.jpg' align='left' alt='a rock called 'Block Island,' the largest meteorite yet found on Mars' width='100' height='75' border='0' /></a> NASA's Mars Rover Opportunity is investigating a metallic meteorite the size of a large watermelon that is providing researchers more details about the Red Planet's environmental history. Triple Asteroid System Triples Observers' Interest http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2259&rn=asteroid.xml&rst=2259 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2259&rn=asteroid.xml&rst=2259 NASA / JPL science Thu, 06 Aug 2009 19:08:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2259&rn=asteroid.xml&rst=2259' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20090806/neo-20090806-th.jpg' align='left' alt='' width='100' height='75' border='0' /></a> Radar imaging at NASA's Goldstone Solar System Radar on June 12 and 14, 2009, revealed that near-Earth asteroid 1994 CC is a triple system. NASA to Provide Web Updates on Objects Approaching Earth http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2247&rn=asteroid.xml&rst=2247 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2247&rn=asteroid.xml&rst=2247 NASA / JPL science Wed, 29 Jul 2009 19:07:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2247&rn=asteroid.xml&rst=2247' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20090729/asteroids20090729-th.jpg' align='left' alt='Asteroid Watch' width='100' height='75' border='0' /></a> NASA's Jet Propulsion Laboratory is introducing a new Web site that will provide a centralized resource for information on near-Earth objects - those asteroids and comets that can approach Earth. On the JPL Blog: The Lowdown on Jupiter's Black Eye http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2246&rn=asteroid.xml&rst=2246 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2246&rn=asteroid.xml&rst=2246 NASA / JPL science Wed, 29 Jul 2009 19:07:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2246&rn=asteroid.xml&rst=2246' "> <img src='http://www.jpl.nasa.gov/images/blog/20090729/jupiter20090728-th.jpg' align='left' alt='Jupiter' width='100' height='75' border='0' /></a> JPL scientist Glenn Orton recounts how he and his team used a NASA telescope to verify an impact at Jupiter, which was first observed by an amateur astronomer in Australia. Hubble Space Telescope Captures Rare Jupiter Collision http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2244&rn=asteroid.xml&rst=2244 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2244&rn=asteroid.xml&rst=2244 NASA / JPL science Mon, 27 Jul 2009 19:07:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2244&rn=asteroid.xml&rst=2244' "> <img src='http://www.jpl.nasa.gov/images/asteroid/jupiter-20090727-226.jpg' align='left' alt='NASA's Hubble Space Telescope has taken the sharpest visible-light picture yet of atmospheric debris from an object that collided with Jupiter on July 19.' width='100' height='75' border='0' /></a> NASA's Hubble Space Telescope has taken the sharpest visible-light picture yet of atmospheric debris from an object that collided with Jupiter on July 19. JPL Blog: All Eyes on Jupiter http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2242&rn=asteroid.xml&rst=2242 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2242&rn=asteroid.xml&rst=2242 NASA / JPL science Wed, 22 Jul 2009 19:07:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2242&rn=asteroid.xml&rst=2242' "> <img src='http://www.jpl.nasa.gov/images/blog/20090722/fletcher-20090722-th.jpg' align='left' alt='Jupiter' width='100' height='75' border='0' /></a> JPL scientist Leigh Fletcher describes a rare chance to observe the resulting debris from a space rock that slammed into Jupiter earlier this week. New NASA Images Indicate Object Hits Jupiter http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2237&rn=asteroid.xml&rst=2237 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2237&rn=asteroid.xml&rst=2237 NASA / JPL science Mon, 20 Jul 2009 19:07:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2237&rn=asteroid.xml&rst=2237' "> <img src='http://www.jpl.nasa.gov/images/jupiter/20090720/jup-20090720-th.jpg' align='left' alt='Jupiter' width='100' height='75' border='0' /></a> Scientists have found evidence that another object has bombarded Jupiter, exactly 15 years after the first impacts by the comet Shoemaker-Levy 9. NASA Study Shows Asteroids May Have Accelerated Life On Earth http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2161&rn=asteroid.xml&rst=2161 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2161&rn=asteroid.xml&rst=2161 NASA / JPL science Wed, 20 May 2009 19:05:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2161&rn=asteroid.xml&rst=2161' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20090521/060417_bombard_hmed-226.jpg' align='left' alt='Artist concept of asteroid impacting earth' width='100' height='75' border='0' /></a> A NASA-funded study indicates that an intense asteroid bombardment nearly 4 billion years ago may not have sterilized the early Earth as completely as previously thought. Live Chat With NASA's Asteroid Trackers http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2091&rn=asteroid.xml&rst=2091 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2091&rn=asteroid.xml&rst=2091 NASA / JPL science Mon, 23 Mar 2009 19:03:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2091&rn=asteroid.xml&rst=2091' "> <img src='http://www.jpl.nasa.gov/images/neo/20090323/ida-th.jpg' align='left' alt='asteroid Ida and its moon Dactyl' width='100' height='75' border='0' /></a> A live videocast and chat from JPL offers a unique opportunity for viewers to ask questions of scientists with NASA's Near-Earth Object Program Office about how NASA discovers and tracks asteroids. Asteroid to Fly By Earth Wednesday http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2085&rn=asteroid.xml&rst=2085 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2085&rn=asteroid.xml&rst=2085 NASA / JPL science Tue, 17 Mar 2009 07:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=2085&rn=asteroid.xml&rst=2085' "> <img src='http://www.jpl.nasa.gov/images/neo/20090317/fh-th.jpg' align='left' alt='orbit of 2009 FH, Mar. 17, 2009' width='100' height='75' border='0' /></a> A small asteroid will fly past Earth early tomorrow morning (Wed., March 18). Small Asteroid to Light Up Sky Over Africa http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1891&rn=asteroid.xml&rst=1891 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1891&rn=asteroid.xml&rst=1891 NASA / JPL science Mon, 06 Oct 2008 07:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1891&rn=asteroid.xml&rst=1891' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20081006/tc3-th.jpg' align='left' alt='2008 TC3' width='100' height='75' border='0' /></a> An asteroid measuring several feet in diameter is expected to enter the atmosphere over northern Sudan before dawn Tuesday, setting off a potentially brilliant natural fireworks display. NASA Statement on Student Asteroid Calculations http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1664&rn=asteroid.xml&rst=1664 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1664&rn=asteroid.xml&rst=1664 NASA / JPL science Wed, 16 Apr 2008 07:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1664&rn=asteroid.xml&rst=1664' "> <img src='http://www.jpl.nasa.gov/images/asteroid/apophis-20071114-th.jpg' align='left' alt='Asteroid Apophis' width='100' height='75' border='0' /></a> The Near-Earth Object Program Office at NASA's Jet Propulsion Laboratory in Pasadena, Calif., has not changed its current estimates for the very low probability (1 in 45,000) of an Earth impact by the asteroid Apophis in 2036. Asteroid Zooms by Earth http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1589&rn=asteroid.xml&rst=1589 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1589&rn=asteroid.xml&rst=1589 NASA / JPL science Tue, 29 Jan 2008 08:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1589&rn=asteroid.xml&rst=1589' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20080129/tu24-th.jpg' align='left' alt='radar image of 2007 TU24 from Jan. 28, 2008' width='100' height='75' border='0' /></a> As expected, Asteroid 2007 TU24 made its closest approach to Earth at 12:33 a.m. today, Jan. 29 (3:33 a.m. Eastern time), and is now headed away from our planet. NASA Scientists Get First Images of Earth Flyby Asteroid http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1586&rn=asteroid.xml&rst=1586 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1586&rn=asteroid.xml&rst=1586 NASA / JPL science Fri, 25 Jan 2008 08:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1586&rn=asteroid.xml&rst=1586' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20080129/tu24-th.jpg' align='left' alt='radar image of 2007 TU24 from Jan. 28, 2008' width='100' height='75' border='0' /></a> Scientists at JPL have obtained the first images of asteroid 2007 TU24 using high-resolution radar data. Asteroid to Make Rare Close Flyby of Earth January 29 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1579&rn=asteroid.xml&rst=1579 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1579&rn=asteroid.xml&rst=1579 NASA / JPL science Thu, 24 Jan 2008 08:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1579&rn=asteroid.xml&rst=1579' "> <img src='http://www.jpl.nasa.gov/images/asteroid/20080124/tu24-th.jpg' align='left' alt='asteroid 2007 TU24' width='100' height='75' border='0' /></a> Scientists are monitoring the orbit of asteroid 2007 TU24. Searching for the Grandest Asteroid Tour http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1335&rn=asteroid.xml&rst=1335 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1335&rn=asteroid.xml&rst=1335 NASA / JPL science Thu, 05 Apr 2007 07:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1335&rn=asteroid.xml&rst=1335' "> <img src='http://www.jpl.nasa.gov/images/asteroid/pia00136-th.jpg' align='left' alt='asteroid Ida and its moon' width='100' height='75' border='0' /></a> Orbit mechanics experts from around the world recently met to discuss methods for finding the best possible spacecraft trajectory, or flight path, for visiting a sequence of asteroids. Radar Love: Asteroid Detection and Science http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1253&rn=asteroid.xml&rst=1253 http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1253&rn=asteroid.xml&rst=1253 NASA / JPL science Tue, 19 Dec 2006 08:00:00 GMT <a href='http://www.jpl.nasa.gov/asteroidwatch/newsfeatures.cfm?release=1253&rn=asteroid.xml&rst=1253' "> <img src='http://www.jpl.nasa.gov/images/asteroid/1999JM8-aug06-th.jpg' align='left' alt='Radar observation of 1999 JM8' width='100' height='75' border='0' /></a> They are the celestial equivalent of sonograms. But their hazy outlines and ghostly features do not document the in-vivo development of a future taxpayer.