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Astronomy and Cosmology(Mark this forum as read)
	Topic	Started By	Stats	Last Post Info
	Announcement A notice to all posting here Posted by dave , 20 Nov 2005
Topics In This Forum
	Pinned Using BOINC / seti@home? Join the SFN group!	Sayonara³	2 Replies 1,584 Views	Dec 29, 2011 By: cowman602
	Pinned Astronomy links 1 2 3 5 →	Martin	92 Replies 21,917 Views	Nov 10, 2011 By: Klaynos
	Pinned Holding pen for overly argumentative posts or other troublesome ones	Martin	3 Replies 1,714 Views	Sep 02, 2011 By: G Anthony
	Pinned Cosmo Basics	Martin	11 Replies 4,715 Views	Jul 13, 2011 By: ryellen4ar
	Stephen Hawking retracted his paradoxical view Galactic Relativistic Black Holes & Dark Matter/Dark Energy	G Anthony	19 Replies 1,039 Views	Today, 08:33 PM By: StringJunky
	Multiple images of same galaxies?	Jiggerj	6 Replies 81 Views	Today, 06:27 PM By: John Cuthber
	Matter Deficit in Universe?	Jiggerj	1 Reply 33 Views	Today, 05:20 PM By: guenter
	My theory to the Universe	ncook90	5 Replies 158 Views	Today, 03:37 PM By: Jiggerj
	The Sun Split from "How do they know it?"	homie12	2 Replies 38 Views	Today, 01:46 PM By: John Cuthber
	Only steps away from the Void	PhysicsBurger	2 Replies 45 Views	Today, 10:39 AM By: PhysicsBurger
	How do they know it?	Airbrush	10 Replies 190 Views	Today, 10:30 AM By: John Cuthber
	Simple question	akash shrestha	10 Replies 279 Views	Today, 12:11 AM By: mathematic
	trying to understand gas cloud collapse ? constant rate of contraction ?	Widdekind	3 Replies 91 Views	Yesterday, 09:47 PM By: ajb
	Basic gravity questions	HeyNow	7 Replies 261 Views	Yesterday, 08:04 PM By: D H
	Where Does Space End? It Must End Somewhere! 1 2 3 35 →	Edisonian	682 Replies 108,726 Views	Yesterday, 04:08 PM By: PhysicsBurger
	Dark energy 1 2	thomma	22 Replies 571 Views	Yesterday, 04:07 PM By: guenter
	Is a time machine possible? 1 2	Chap	25 Replies 511 Views	Yesterday, 12:34 AM By: zapatos
	matter antimatter asymmetry ??	Widdekind	5 Replies 229 Views	Feb 02, 2012 By: Widdekind
	Judging Jupiter's distance in the 1600's	Jiggerj	6 Replies 117 Views	Feb 01, 2012 By: ewmon
	Where does the moon rise?	Primarygun	17 Replies 27,612 Views	Jan 30, 2012 By: D H
	Vacuum pressure of space Are pressure and expansion related?	JustinW	11 Replies 327 Views	Jan 30, 2012 By: guenter
	What Imbues the Higgs Boson with its Mass? Higgs field,Higgs boson,gravity,standard model,Alan Guth,inflaton,GR	G Anthony	4 Replies 195 Views	Jan 29, 2012 By: G Anthony
	trying to understand Primordial Nucleosynthesis?	Widdekind	2 Replies 129 Views	Jan 29, 2012 By: G Anthony
	Clearsky Reclamation Sciences Business Plan (yeah, right)	Realitycheck	0 Replies 65 Views	Jan 27, 2012 By: Realitycheck
	Twin planets	Moontanman	4 Replies 146 Views	Jan 27, 2012 By: Widdekind
	can SMBH "squeeze stars" to explode ? GR says tides compress stars ?	Widdekind	0 Replies 53 Views	Jan 25, 2012 By: Widdekind
	Curvature caused by Photons too ? 1 2 3 Q re: Rudy Rucker's '4th Dimension'	Widdekind	56 Replies 2,443 Views	Jan 25, 2012 By: Widdekind
	charge neutrality => matter / antimatter symmetry ? # neutrons (matter) = # anti-neutrinos (antimatter)?	Widdekind	8 Replies 147 Views	Jan 24, 2012 By: Airbrush
	Rate and Location of Expansion 1 2 3 5 → Question?	JustinW	82 Replies 1,676 Views	Jan 21, 2012 By: michel123456
	Could black holes be quark stars?	36grit	5 Replies 184 Views	Jan 18, 2012 By: questionposter