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Milky Way's halo....
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derekmcd
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Space Craft Thermal Engineering
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aphh
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Time Dilation
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DrRocket
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How big can a planet get before it forms a black hole or collapses into a singularity
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UFmbutler
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How do stars orbit in a globular cluster?
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What are Astronomy classes like in college?
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weeman
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Does our solar system spin on the same plane as the Milky Way, or is it skewed?
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killium
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Holographic principle
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Big Bang
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The sky at night - online
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ukspacer
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Titan, Xanadu rivers. Cassini SAR images. Wednesday 28th May 2008.
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Carrickagh
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Amateur Astronomer
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michaelmozina
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Could redshift be wrong?
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DrRocket
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Why no new plutoids/large TNOs?
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derekmcd
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Solar Eclipse, China, NASA TV. Friday 1st August 2008.
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Ontario Lacus - Lake of liquid hydrocarbons on Titan supposedly confirmed
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novel astronomy event? the power of space.com
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neilsox
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International astronomy year of 2009
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doublehelix
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Light and gravity
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derekmcd
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Matter that Matters
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derekmcd
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novel astonommy event? the power of the forum!!
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l3p3r
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Asteroid 2867 Steins. A block knocked off giant asteroid 4 Vesta?
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Claim for discovery of a locked-locked star-planet system
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MeteorWayne
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Scientists solve 30-year-old aurora borealis mystery
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derekmcd
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NASA Astronaut claims alien contact cover-up? [CLOSED]
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michaelmozina
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solar system masses
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Astronauts involved in Propulsion Test
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Carrickagh
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Venus/Russia Connection
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Carrickagh
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Dry Earth - Where Would Mean Elevation Lie?
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derekmcd
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(136472) 2005 FY9 now named Makemake?
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Philotas
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Thinking of astronomy in college..
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DrRocket
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"Hot Jupiters" might have disrupted the early Solar System.
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exoscientist
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Jupiter, two red spots company, a third one is lunch.
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MeteorWayne
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New Contender For Brightest Star?
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derekmcd
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Arecibo a goner?
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DrRocket
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Exactly 100 years ago right now...
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derekmcd
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Asteroid 2008 BT18.
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Why is a type 1a supernova a standard candle?
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BoJangles
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Sunlight Splits Asteroids into Pairs
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Where is the big hole?
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BrianSlee
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