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night sky explorer (software) dates "BC" ?
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Something out of Nothing
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earle
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How in the world does a calculator
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emperor_of_localgroup
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String Theory
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yevaud
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The sun and the earth
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csmyth3025
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Unconventional space physics question: propulsion speed limit-
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Yuri_Armstrong
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Quick question
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1-Day Rotation = 1-Gravity?
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What was that bright planet in the sky tonight?
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ventusb
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Is this just a "ring galaxy"?
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ZenGalacticore
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Is String theory a dead end?
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ramparts
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Solar system border
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Non-Constant Decay Rates
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darkmatter4brains
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How should we do if the universe ends?
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Meteor sighting over Prague, CZ
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Photon Pressure
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drwayne
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Annoying Quotes From Physics Texts
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drwayne
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Some Astro Q's
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SpaceTas
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..:::'''I need help with space orbits :D''':::..
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kk434
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What is the biggest Star in the known Universe....
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csmyth3025
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Galaxy shape
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kk434
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Dark Matter May Not Exists
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starialove
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Roger Penrose's explanation of quantum behavior
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captdude
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MiniBooNE results suggest antineutrinos act differently
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kk434
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What was the "flashing star" before dawn on Aug 13th?
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Saving Earth from asteroid and comet hits
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neilsox
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What was that orange ball in the Southern sky last night
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Pangaea
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A Scientist Takes On Gravity
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csmyth3025
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Lowest orbital altitude
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aphh
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Is that Mercury?
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serosang
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Leonard Susskind Vs Stephen Hawking
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What do the Equations of GR tell us about a particle?
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darkmatter4brains
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Binary Star Systems
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SpaceTas
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Energy from the Wind
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neilsox
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A new light on dark matter
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captdude
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First Reports: Higgs Found?
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QED
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Venus eruption/flare?
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MeteorWayne
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Beyond the Black Hole
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csmyth3025
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CMEs and the Earth
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Keln
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