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Giant Impact Hypothesis.
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A very bright gravitational microlensing event
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why does dark energy need to exist?
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NOTHINGNESS
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Pinball Wizard
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Asteroid Search Stops? STUPID IS AS STUPID DOES!
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March 3rd 2007 Lunar Eclipse
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See Total Lunar eclipse thread in Ask the Astronomer
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Energy and Speed of Light
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Probable lakes on Titan
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Cydonia morphology
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n-Body simulator survey
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Spring/Summer Astronomy and observation thread!
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rybanis
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Star Party of Global proportions!
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Infinite photons in infinite universe?
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Space Travel-Interview
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Extra solar planets..Why is NASA playin it safe...
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I have exceeded light speed!!!
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Hubble Ultra Deep Feild???
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Spitzer Sees Light From Faraway Planets
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silylene old
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Do we know the speed of gravitational waves
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Astronomy Day 07
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Ganesa Macula. Cryoshield Volcano on Titan??
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Dumb Q, What is straigh up from Earth, or down?
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Direct Light From An Extra Solar Planet
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Dark E/M Energy
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What the Bleep do we know?
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Asteroid Probabilities. How are they calculated?
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Finding NEOs. Worst case scenarion....
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Friction
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Input from anyone on this please what was it???
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Barlow with Diagonal ?????
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colors on a planet?
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Navigation Software with Azimuths
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Re-entry
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Stars or Wars
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Matter/Anti-matter
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could andromeda and milky be in eliptical orbit?
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Evidence that Earths Rotation is slowing 1.5ms per Century
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Lunar eclipse
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