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Constant acceleration and artificial gravity
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CalliArcale
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Expansion factor in light distance measurements
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alkalin
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The White Dwarf Cooling Sequence of NGC 6397
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doubletruncation
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MeteorWayne
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Comet McNaught
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bdewoody
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Bright star or planet???
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holocene
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Will the speed of light ever increase?
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why06
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critique...
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robnissen
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Sky Watching
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What is Space?
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Hubble Discovers Normal Galaxy at Malin 1's Center
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newmoon
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Omni-Directional propulsion (ODP)
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jakethesnake
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How Much Has the U. Expanded Since You Were Born?
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drperelmuter
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The Edge of the Universe???
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why06
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Santa could become a comet (in a few million years)
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bobw
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Is it me or is presentation of astronomy getting worse?
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nexium
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the possible creation of energy and matter in the universe
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why06
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"Is Pluto a Planet?" fact sheet available online
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newmoon
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Space development and social responsibility
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802
mithridates
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does anyone know of a website like google earth that has....
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rebman2005
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Barrys home made observatory
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854
bloodhound31
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If you would like to help plan the next 50 years of space
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enigma10
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Good ways to ease into ameteur astronomy?
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kdog72
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Diameter of known universe in statute miles!
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Smersh
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Time may be Equal to Dark Energy.
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acsindg
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New Distance to the Orion Nebula
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newmoon
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Astronomy from the couch: Plasma TVs for viewing
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radarredux
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Science channel today on Astronomy-95 worlds, etc.
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newtonian
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Amateur radio astronomy
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nexium
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Are tsunamis affeted by such variables as...[opinion needed]
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MeteorWayne
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Are you plutoed?
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alokmohan
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What does light speed look like? An experiment.
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weeman
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Black diamonds: supernova remnants
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866
robnissen
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Dark matter question..
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kyle_baron
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Neutron star with four magnetic poles?...
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acsindg
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'Pillars of creation' destroyed by supernova
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MeteorWayne
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Primordial Galaxy in Cetus?
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881
newmoon
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Comet McNaught from under Chicago Skies...
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863
chicagoastronomer
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Have your say in the Planning of the next 50 years in Space
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beethakore
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Triple quasar
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alokmohan
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