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24 Apr 2008 at 2:54am  2 min - Apr 24, 2008 NASA press release: NASA's Hubble Space Telescope (HST) has made the first detection ever of an organic molecule in the atmosphere of a Jupiter-sized planet orbiting another star. This breakthrough is an important step in eventually identifying signs of life on a planet outside our solar system. The molecule found by Hubble is methane, which under the right circumstances can play a key role in prebiotic chemistry ? the chemical reactions considered necessary to form life as we know it. This discovery proves that Hubble and upcoming space missions, such as NASA's James Webb Space Telescope, can detect organic molecules on planets around other stars by using spectroscopy, which splits light into its components to reveal the "fingerprints" of various chemicals. "This is a crucial stepping stone to eventually characterizing prebiotic molecules on planets where life could exist," said Mark Swain of NASA's Jet Propulsion Laboratory (JPL), Pasadena, Calif., who led the team that made the discovery. Swain is lead author of a paper appearing in the March 20 issue of Nature. The discovery comes after extensive observations made in May 2007 with Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS). It also confirms the existence of water molecules in the planet's atmosphere, a discovery made originally by NASA's Spitzer Space Telescope in 2007. "With this observation there is no question whether there is water or not ? water is present," said Swain. The planet now known to have methane and water is located 63 light-years away in the constellation Vulpecula. Called HD 189733b, the planet is so massive and so hot it is considered an unlikely host for life. HD 189733b, dubbed a "hot Jupiter," is so close to its parent star it takes just over two days to complete an orbit. These objects are the size of Jupiter but orbit closer to their stars than the tiny innermost planet Mercury in our solar system. HD 189733b's atmosphere swelters at 1,700 degrees Fahrenheit, about the same temperature as the melting point of silver. Though the star-hugger planet is too hot for life as we know it, "this observation is proof that spectroscopy can eventually be done on a cooler and potentially habitable Earth-sized planet orbiting a dimmer red dwarf--type star," Swain said. The ultimate goal of studies like these is to identify prebiotic molecules in the atmospheres of planets in the "habitable zones" around other stars, where temperatures are right for water to remain liquid rather than freeze or evaporate away. The observations were made as the planet HD 189733b passed in front of its parent star in what astronomers call a transit. As the light from the star passed briefly through the atmosphere along the edge of the planet, the gases in the atmosphere imprinted their unique signatures on the starlight from the star HD 189733. The astronomers were surprised to find that the planet has more methane than predicted by conventional models for "hot Jupiters." "This indicates we don't really understand exoplanet atmospheres yet," said Swain. "These measurements are an important step to our ultimate goal of determining the conditions, such as temperature, pressure, winds, clouds, etc., and the chemistry on planets where life could exist. Infrared spectroscopy is really the key to these studies because it is best matched to detecting molecules," said Swain. 11 May 2006 at 8:00pm 10 min - May 12, 2006 Starring J. Hill 30 Jul 2007 at 3:00am 56 min - Jul 30, 2007 Google Tech talks July 30, 2007 ABSTRACT Looking for a nice extra-solar vacation spot but worried about being downwind from a gas giant? Before booking your next interstellar flight, come check out how Sean Raymond's stellar simulations are being used in the search for habitable planets. Many of the 240 extra-solar planets that have been discovered so far are "hot Jupiters" -- gas giants orbiting very close to their host stars. Sean's work has shown that when these hot Jupiters form far from their host stars and migrate inward, they leave conditions in their wake favorable for the formation of a wide diversity of habitable planets, from small dry worlds to massive ocean-covered planets. In this talk, Sean will present an overview of his search to understand how and when habitable planets form, complete with movies of evolving solar systems. And even though you can't book a flight to Proxima Centauri yet, come see how current research is helping to narrow the search for places you might actually want to visit. Sean Raymond is a NASA Postdoctoral Fellow at the University of Colorado's Center for Astrobiology. 22 Feb 2008 at 3:46pm  9 min - Feb 22, 2008 Discover main extrasolar planet types, while enjoying artistic concepts based on the data available for them. 18 Aug 2007 at 3:27am 26 sec - Aug 18, 2007 Movie Type (resolution) - movie size] QuickTime (low) ~717KB | QuickTime (high) ~ MB | RealPlayer ~ MB <p>Movie Type (resolution) - movie size] QuickTime (low) ~717KB | QuickTime (high) ~ MB | RealPlayer ~ MB object at the instant the photon was emitted. <p>of the object when the photon was emitted. <p>object at the instant the photon was emitted. <p>of the object when the photon was emitted. <p>object at the instant the photon was emitted. <p>Multiple Solar Systems <br> - Solar System Formation - Planet Quest - <p>ambulancesirene die dichterbij komt of verder rijdt. <br> Multimedia <p>film sur les méthodes de détection soit en <p>film sur les méthodes de détection soit en <p>Of A New Class Of Extrasolar Planets <br> This <p>Of A New Class Of Extrasolar Planets <br> This NASA/JPL-Caltech <br> Although cosmological redshift at first <p>NASA/JPL-Caltech <br> A Doppler shift is observed <p>NASA/JPL-Caltech <br> Although cosmological redshift at first <p>NASA/JPL-Caltech <br> A Doppler shift is observed <p>NASA/JPL-Caltech <br> Although cosmological redshift at first <p>Transit Method Detection - <p>De dopplermethode werkt helaas niet bij alle exoplaneten. <p>soit en <p>soit en <p>illustrates how astronomers find planets beyond our solar <p>illustrates how astronomers find planets beyond our solar 1 Jul 2008 at 7:30am 5 min - Jul 1, 2008 How do you measure temperature on a planet that's not even in our own solar system? Watch this NASA video to see how scientists are studying extrasolar planets and their heat variances. 13 Mar 2008 at 2:07pm  5 min - Mar 13, 2008 Extrasolar planets montage. Help save UK astronomy! www.saveastronomy.org.uk All video clips courtesy of NASA JPL/Caltech, ESA and other internet sources. 30 May 2008 at 9:38am 28 min - May 30, 2008 On this episode of SpaceVidcast we talk about a lot of space news! From contests to win up to $2000 for your space video to winning a seat on Virgin Galactic to fly in to low earth orbit yourself! Discovery has a new 6 series show on Discovery HD called When We Left the Earth, Extrasolar planets and of course continuing coverage of the Phoenix lander and STS-124 with space shuttle Discovery! Show Links: Win $2,000 in the Space Contest - www.spacecontest.org Win a trip to Low Earth Orbit - http://tinyurl.com/4cx2uk When We Left Earth on Discovery - http://tinyurl.com/5j8kyf 8 Things on Extrasolar Planets - http://tinyurl.com/6kbz2v Phoenix Lander - http://tinyurl.com/66w3lk Satellite pics of Phoenix landing - http://tinyurl.com/6ere34 Shuttle Discovery GO for launch - http://tinyurl.com/6zjebx STS-124 to fix ISS toilet: crew is relieved - http://tinyurl.com/47rzwc STS-124 Coverage on SpaceVidcast.com this Saturday 20 Aug 2007 at 8:24am 24 sec - Aug 20, 2007 Lecture 19 Lecture 19 * sec - Aug , 2007 their primary star. < br> Planetary Migration Simulation (Pawel Artymowicz) ( their primary star. <br> Planetary Migration Simulation (Pawel Artymowicz) ( Are extra-solar planets common? <br> Do most gas 16 Aug 2008 at 6:05am 2 min - Aug 16, 2008 Watch this NASA video to learn about solar systems. In 1985, astronomers first discovered extrasolar planets orbiting around neighboring stars . 55 Cancri is one such star that is known to have orbiting planets. 19 Aug 2007 at 9:05am 19 sec - Aug 19, 2007 high-resolution version (628 x 476 pixels, 225K). NASA/JPL/Caltech-R. Hurt <br> Gas giants like 23 May 2008 at 7:12pm Unknown length - May 23, 2008 Astronomer Debra Fischer describes the "zoo" of extrasolar planets and compares them - their orbits, masses, and potential to sustain life - to the planets of our solar system. 2 Dec 2006 at 6:07pm  16 sec - Dec 2, 2006 Using the Hubble Space Telescope, for the first time, astronomers have observed the atmosphere of an extrasolar planet evaporating off into space. Much of this planet may eventually disappear, leaving only a dense core. The planet is a type of extrasolar planet known as a 'hot Jupiter'. These giant, gaseous planets orbit their stars very closely, drawn to them like moths to a flame. Credit: European Space Agency, Alfred Vidal-Madjar (Institut d'Astrophysique de Paris, CNRS, France) and NASA. 30 May 2008 at 2:34pm Unknown length - May 30, 2008 20 Apr 2008 at 6:17am 5 min - Apr 20, 2008 The NASA/ESA Hubble Space Telescope has made the first detection ever of an organic molecule in a planet orbiting another star. This breakthrough is an important step in eventually identifying signs of life on a planet outside our Solar System. 21 Sep 2007 at 6:12pm 3 sec - Sep 21, 2007 D V = 0.017 (1. 58%) <br> STARE Light Curve Transit observed 26-27 July 2000 by Deeg 11 May 2008 at 5:36am 15 sec - May 11, 2008 This is a 3D animation showing a ring of matter around an extrasolar planet. More video formats on: <a class="link" rel="nofollow" href="http://www.spacetelescope.org/videos/html/astro_am.html">http://ww w.spacetelescope.org/videos/html/astro_am.html</a> 5 Aug 2007 at 1:20am  1 min - Aug 5, 2007 Zoom into the Sagittarius area of the nighttime sky, where Hubble looked into our Milky Way galaxy for extrasolar planets. The camera then zooms all the way into our galaxy's central bulge, where the view dissolves into an artist's interpretation of one of the orbiting planet candidates. 16 Aug 2008 at 6:05am 5 min - Aug 16, 2008 Watch this NASA video to see how NASA found a planet that is 63 million light years away. Scientists discovered methane on this planet. This is the first time than an organic molecule has been found on a planet outside our solar system.<  Search for Video right from your Astronomy Crawler Toolbar. It’s easy.Try it.
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