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Density of Supermassive Black Holes
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Saiph
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a riddle (as posed to entering freshman at cambridge)
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nova_explored
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Faster than C?
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jatslo
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Astronomy products and posters
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spaceart
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Theory of Autodynamics
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yree
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matter/antimatter anihilation
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Space and Time travel
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ordinary_guy
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Neptune's Dynamic Atmosphere
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robnissen
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Relativity and the "Twin Paradox"
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bonepile
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Asteroid Dust May Influence Weather
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rhodan
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Expanding Universe or Shrinking Universe?
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mrmux
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Nuclear-Reactor Spacecraft Poor For Astronomy
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XMM-Newton Probes Formation Of Galaxy Clusters
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zavvy
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A suggestion for dolphin communication, and an extension to SETI.
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exoscientist
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Singularity Shapes
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frobozz
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Scientists watch new baby black holes
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rtssmkn
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2 clocks: 1 on Earth, 1 on Mercury
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siarad
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Definition of "planet"
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Philotas
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Gravity and the shape of Universe
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frobozz
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From the Milky Way to Quarks One Order of Magnitude at a Time
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bato
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Women Take Back Seat In Science
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yevaud
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Push of gravity
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Leovinus
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Question on Space
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tex_1224
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Nano Tube technology is finally here - maybe
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rlb2
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Seeing the Milky Way
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Saiph
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Astro-horticulture
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bridgwater
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Bar At Milky Way's Heart Revealed
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llivinglarge
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t i m e
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le3119
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relativity and the big bang, the big ZERO
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rednet
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Increadibly large, hollow artificial planet
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valareos
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Enceladus' Hot Surprise
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nexium
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What would happen if...
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dragon04
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I'm interested but...
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yurkin
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Hey everyone!
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942
aerospacealpha
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Expansion and contraction ad infinitum
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756
nova_explored
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Images about "Staying on" other planets
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JonClarke
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Exploding stars ending worlds
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spd405
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If the Earth were hit by another Earth...
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8
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807
lunatio_gordin
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Running on Pluto: quicker or slower?
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5
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714
yurkin
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First Post here
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13
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961
nexium
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