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Redshift and speed of light
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newtonian
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Multiverse- Believe it or not?
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newtonian
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Asteroid coming
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centsworth_II
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A Physics Problem
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yruc
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Starry Night Enthusiastâ„¢ Version 5.0
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kelle
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Strange seti signals received
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Maddad
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Gravity???
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Maddad
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Pictures of earth sized objects beyond solar system
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spaceman186000mps
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Neutron Physics Instrument May Unlock Mysteries of Universe
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zavvy
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"Light Barrier" question....
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newtonian
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Qustiong for Newtonian
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newtonian
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astrophotography- HELP!
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matcat
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Using sky chart ....
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raven2490
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Eye Piece for Planitary Observation - Suggestions!
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bbrock
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Sending light through space
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Maddad
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I saw three......satellites??
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lewcos
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Most luminous star?
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Saiph
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Mass doesn't prevent reaching C
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Saiph
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Saiph
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accelerating universe
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a_lost_packet_
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Galaxy POX 186
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newtonian
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Extrasolar planets
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tfwthom
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Do Black holes die?
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mooware
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Re: Looking back in time
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bbrock
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A confusion of threes
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nacnud
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Staying still in space?
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siarad
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Super Earth
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odysseus145
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What is the "surface gravity" of the universe ?
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igorsboss
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Is the Universe's escape velocity greater than C
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siarad
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I've found the speed of gravity & it's a constant zero
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chip5541
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Orbital Speed?
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nopatience
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NEO Question for Astronomers
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thalion
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Preliminary Black Hole FAQ
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nikshliker
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Star Types and the effects on a developing Solar Sytem?
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a_lost_packet_
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endless endlessness
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zero_cool
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The Milky Way galaxy clashing into the Andromeda galaxy?
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neutron_star6
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SPACE MIRROR THREAD MYSTERIOUSLY VANISHES!
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silylene old
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A Star Party
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tfwthom
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Satrs and Planets
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CalliArcale
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Space Mirror.
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pr0ject0rion
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