Meteorites,Comets and Asteroids

  • Interview with Neville Woolf: Part II
    This is the second of a two-part interview with Neville Woolf, a Professor of Astronomy at the University of Arizona. Woolf is the principal investigator of one of the lead teams recently awarded a five-year grant by the NASA Astrobiology Institute (NAI) to conduct astrobiology-related
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  • Interview with Neville Woolf
    This is the first of a two-part interview with Neville Woolf, a Professor of Astronomy at the University of Arizona. Woolf is the principal investigator of one of the lead teams recently awarded a five-year grant by the NASA Astrobiology Institute (NAI) to conduct astrobiology-related
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  • Ancient Planet Discovered
    Using the Hubble Space Telescope, astronomers have identified the oldest and most distant known planet orbiting two burned-out stars. Its sky location in the constellation Scorpius places the planet as the M4 globular cluster. The discovered world is also the only planet found to orbit
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  • Rock, Scissors, Paper and Water
    A recent European conference discussed what a new class of planetary search candidates called 'waterworlds' might require: foremost after water itself, for life to originate elsewhere on a distant world depends on a rocky core and organic pulp.
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  • Similar Solar System at 90 Light Years
    Astronomers have found the first sun-like star with a giant gas planet in an orbit similar to Jupiter's. At a distance of 90 light-years, the similar solar system to ours means that this gas giant could attract most of the dangerous impact debris.
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  • Twins Combine Planetary Light
    Debuting the first discoveries from the world's largest optical telescope, researchers have used the Keck Interferometer to combine light from two telescopes. Astronomers can see the growing gap between a star and its planets as they begin to accrete.
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  • Inference and Red Corn
    Mathematical astronomer, Simon Newcomb, describes the limits of life on Earth and endeavors to ask the right questions about what might be required to discover life elsewhere.
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  • Harpooning a Comet
    The Rosetta mission planners have announced that after an indefinite launch delay earlier this year, their goal of landing on a comet is back on track. Their new baseline target is a rendezvous with the comet, Churyumov-Gerasimenko, in November 2014.
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  • The 601st Earth Asteroid Impact
    Researchers at UCSC simulated a possible outcome of an impact by asteroid 1950DA when it passes near Earth in year 2880. There is 0.3% chance of impact during encounter. In the event that strikes in the Atlantic, they predict that 60,000 megaton blast would create
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  • Celestial Birthing Grounds: Wild Places
    A University of Florida sky survey has doubled the number of planet forming disks in a cluster of young stars, and suggests that planets may pop up within the first 3 million years of a star's life.
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  • Meteor Astronomers: Looking Down Into Earth
    Did a massive asteroid impact 500 million years ago scatter meteors towards Earth and play billiards with terrestrial geology? A Rice University researcher has shown that a rain of rocks in a Swedish quarry supports this contention.
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  • Two-Way Asteroid Trip Takes Off
    The Japanese spaceprobe called Muses-C launched Friday, to begin its four and a half year roundtrip to return samples of an asteroid back to Earth. The mission highlights the highly-efficient ion engine, along with a unique bullet and sample-horn method of returning extraterrestrial rocks and
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  • Eureka, The New World
    Planet-finding scientist, Geoff Marcy, describes just how it feels to find a new world. The UC Berkeley researcher describes the challenges and thrills of modern sky searches.
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  • Hot New Eclipsing World Discovered
    Planet finding scientists have logged more than a hundred discoveries of new 'worlds' since the middle 1990s, but only two probable candidates have been found from changes in the parent star's brightness. Akin to a distant eclipse, this method is called a transit search.
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  • New Planet Found, Big Dog Constellation
    A new planet has been found orbitting a Sun-like star in the southern constellation, Canis Major. The planet is about twice the size of Jupiter, and orbits so close that its annual 'season' is over in just two and half days.
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