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New Pictures of the Orion Nebula from Hubble
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NEO Objects and Planetary Defense.
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Universe Origin Thought Experiment
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origin
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altering space "black holes"
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Understanding galaxy ages
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Planet formation should be common shouldn't it?
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Eta Carinae is acting up again!
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robnissen
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Very highest velocity asteroids?
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expanding universe
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Where did the Chromium come from?
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Gliese 581 c
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Imaging Extrasolar Planets in more detail
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grokme
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which way to the big bang
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Atmospheres of solar system planets
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The Apllo program on a Super Earth
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If the earth had rings like Saturn
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Cleaning up LEO
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Asteroid Habitat
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Harvesting Neutron Stars (A thought experiment)
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origin
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Most Important Accessory Invention used in Space?
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asteroid 2009 KK: Risk in May,Jun 2009
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Some help with 2 specific SOHO images.
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Most Extreme Gamma-ray Blast Ever
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Halo of Oligarchs
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Zodiac Astronomy?
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Is 5 billion ly really 5 billion ly?
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ZenGalacticore
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Most important discovery of the decade?
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Kruskal-Szekeres extension: counter-examples
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Campaign for darker skies in the UK
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LCROSS Did Find Water!!
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Leonids Meteor Shower--Errata
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Gravity's speed of propagation
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Lunar Mascons And Water
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NASA's Levitating Mice
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Questions about LEO
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Developing a Earth oriented CME "watch/warning" scale.
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michaelmozina
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Some fantastic Cassini pictures
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robnissen
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Cat Scan of a Planet?
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Criteria for discovering Earth Like planets.
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xXTheOneRavenXx
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Aluminim Rocket Fuel
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