General Astronomy

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Pinned: Classic Papers in Astronomy and Cosmology ( 1 2) SpaceTiger	Nov28-12 01:12 AM stargazer3	17	30,832
Pinned: Planning to buy a first telescope? ( 1 2 3 4 ... Last) turbo	Feb26-13 09:59 AM Chronos	219	59,999
Pinned: A&C reference library ( 1 2 3 4 ... Last) Phobos	Apr10-13 11:08 AM marcus	139	73,082
Pinned: Astronomy events schedule ( 1 2 3 4 ... Last) Phobos	May17-13 09:51 PM davenn	271	87,173
Pinned: Astrophotography ( 1 2 3 4 ... Last) Phobos	T 01:12 PM Solon	458	125,007
Dark Matter or Modified Gravity ? ( 1 2 3) wilha	Jun25-12 10:10 PM Old Smuggler	37	3,529
The Sun as seen from 120 AU. beginner49	Jun27-12 07:17 PM Dickfore	5	1,765
Comet near the sun whose orbit is? dolphinsny	Jun28-12 08:24 AM Integral	7	1,585
Ladies and Gentlemen! Voyager 1 Has Left the Solar System! ( 1 2 3) BadBrain	Jun28-12 03:59 PM Hercuflea	35	4,266
List of Astronomical Associations / Astrologist in USA exchanger107	Jun29-12 01:55 AM Chronos	1	757
Supernova in Andromeda Galaxy? Thecla	Jun29-12 05:03 AM Drakkith	4	1,316
For Just How Long Has the Periodicity of Halley's Comet Been Known? BadBrain	Jun29-12 04:21 PM BadBrain	2	987
dsi imaging issues Chronos	Jun29-12 05:37 PM Chronos	10	992
Volcano in Venus Mehrdad1	Jun29-12 08:59 PM davenn	8	1,283
black hole question FOIWATER	Jul2-12 08:08 AM Naty1	4	961
black holes Dremmer	Jul2-12 04:34 PM Alex1	16	1,679
Frustrated Over Tonight's Morgan Freeman Show C BadBrain	Jul2-12 06:44 PM BadBrain	15	2,280
Are neutron stars immortal? Dremmer	Jul3-12 01:11 PM lpetrich	9	1,859
Venus Spinning Slower Than Thought C ( 1 2) Andre	Jul6-12 02:12 PM D H	25	2,691
Could dark matter be invisible bound states of ordinary matter or ehm, aliens? C Antti	Jul7-12 07:39 AM ZapperZ	1	1,618
Dark matter is the thread connecting galaxy clusters arabianights	Jul9-12 03:58 PM SpaceTiger	3	1,314
Size of the Universe? I'm confused. TheSwamper	Jul10-12 12:52 AM bioinfinity	7	2,317
Dark Matter - How strong is it at a galaxy periphery? Bjarne	Jul10-12 01:30 PM mfb	1	957
Is the universe "flat" ? Erik B	Jul14-12 11:10 AM phinds	3	1,121
July 10th Observation Question Aero51	Jul14-12 12:52 PM Aero51	4	766
Can we see Earth in the past? kevpatts	Jul14-12 02:35 PM mfb	6	1,338
Calculating the magnitude kapella	Jul14-12 05:09 PM Chronos	2	732
Pluto's color changes as it makes its closest approach? jarroe	Jul15-12 08:17 PM Drakkith	1	863
Night sky and supernova questions Government$	Jul17-12 12:34 PM DaveC426913	9	1,038
How is it possible to live past the event horizon? ( 1 2) spacetimedude	Jul18-12 03:31 AM someGorilla	19	2,466
Pulsar's spectrum alialice	Jul18-12 08:29 AM alialice	2	919
Why do all the planets orbit in the same plane? H QEDrpf33	Jul18-12 09:04 AM Drakkith	16	17,610
How do you define a planet's rotation? oay	Jul18-12 06:23 PM DaveC426913	12	1,146
When did they discover the Gas Giants were fluid? mopc	Jul19-12 09:26 AM mopc	4	2,438
Size/Mass of a planet needed in order to have a molten core or a magnetic field? jarroe	Jul19-12 11:49 AM SpiffyKavu	3	962
Do scientists know why planets orbit stars on the same dimentional plane? Rorkster2	Jul20-12 10:19 AM eachus	4	2,131
How is energy/matter density distributed through the universe? Rorkster2	Jul21-12 07:36 AM phinds	4	1,098
10 light years but destroyed 6000 years ago? heartyface	Jul21-12 02:20 PM rorix_bw	7	2,408
problem about calculating focal length of a telescope Blacky&Imy	Jul23-12 01:43 AM Blacky&Imy	2	820
Looking further and further into the past? pwdrmntainski	Jul23-12 10:10 PM Ibix	2	1,181
Thoughts on the Drake Equation ( 1 2) Stu21	Jul23-12 11:16 PM mjacobsca	18	2,285
Half of moon fluctuates in luminosity and hue randomly, why? sonoffeanor	Jul24-12 12:24 AM sonoffeanor	3	1,292
Excellent Exoplanet Illustration ( 1 2) Ryan_m_b	Jul24-12 08:40 AM Gliese123	27	2,840
Angular separation of 2 stars TheSource007	Jul25-12 11:26 AM TheSource007	3	3,115
Stars beyond earth DeepSpace9	Jul26-12 11:53 PM Drakkith	13	1,530

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