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Pinned: Astrophotography ( 1 2 3 4 ... Last) Phobos	Y 11:13 PM Solon	456	124,935
Pinned: Astronomy events schedule ( 1 2 3 4 ... Last) Phobos	May17-13 09:51 PM davenn	271	87,133
Pinned: A&C reference library ( 1 2 3 4 ... Last) Phobos	Apr10-13 11:08 AM marcus	139	73,055
Pinned: Planning to buy a first telescope? ( 1 2 3 4 ... Last) turbo	Feb26-13 09:59 AM Chronos	219	59,957
Pinned: Classic Papers in Astronomy and Cosmology ( 1 2) SpaceTiger	Nov28-12 01:12 AM stargazer3	17	30,817
Crossing the galactic plane C H ( 1 2 3) Dingo69	Jan3-09 01:10 AM Emreth	40	72,224
Asteroid hits moon → moon hits Earth...possible? C H ( 1 2 3 4 ... Last) Blue_Jaunte	May4-12 04:23 AM Ryan_m_b	68	62,746
Jupiter's clouds C H mrjeffy321	Dec29-05 12:00 AM Bystander	1	57,548
Prove that the earth goes around the sun C H ( 1 2 3) rattis	Oct5-08 10:50 AM Janus	42	49,089
What is our Solar System's orbital plane around the Milky Way? H ( 1 2 3) Chaos' lil bro Order	Mar19-12 06:53 AM Dotini	43	46,415
So how fast are we actually moving? C H ( 1 2 3 4 ... Last) Nexus555	Jun19-09 06:58 PM Integral	75	45,000
How strong is gravity in the center of the earth? H ( 1 2 3) Bjarne	Aug4-12 11:38 PM jacoblost	46	43,421
symbol for section C H tony873004	Mar7-06 03:18 AM tony873004	6	41,950
Current position of planets C H DaveC426913	Jul22-08 06:33 PM tony873004	4	40,517
Proof of cause of gravity C H ( 1 2 3 4 ... Last) Nigel	Jul18-03 05:21 PM Phobos	465	39,482
slowing of a satellite sent by Nasa H ananthu	Dec19-11 06:00 PM Drakkith	16	38,419
What IS the Spacetime fabric? C H ( 1 2) ShadowKnight	Sep18-07 04:03 PM zankaon	25	34,805
Hubble discovers two new satellites of Pluto C H neutrino	Mar2-06 08:31 PM plusaf	12	28,687
the Limitations of Intergalactic Travel C H ( 1 2 3 4 ... Last) eNtRopY	Mar15-12 02:25 PM Ryan_m_b	104	27,516
earth's elliptical orbit C H ( 1 2) aranoff	Nov19-09 11:21 AM Integral	29	27,466
Why did Mars die? C H ( 1 2) aquitaine	Aug11-10 09:04 PM baywax	17	26,337
A simple refractor homemade telescope C H Peter	Dec19-09 03:43 PM Patt W	6	26,089
The Moon moves away from the earth - Is the theory correct ? C H ( 1 2) Bjarne	Jan13-10 11:02 PM qraal	33	25,739
If space is flat then what is directly under the planets? C H n0sferatu	Nov19-05 09:51 AM kleinwolf	9	25,725
What is the critical density of the universe? C H marcus	May20-03 04:03 PM schwarzchildradius	12	25,271
Planetary Alignment on my Date of Birth C H porselin13	Aug8-05 09:23 PM DaveC426913	10	25,070
What is at the center of the universe? C H ( 1 2 3) .ultimate	Mar29-07 10:58 PM talksabcd	46	24,204
Why do we only see one side of the moon? C H ( 1 2 3 4) Azrioch	Jul15-03 02:50 PM Phobos	65	23,483
The star Betelgeuse going supernova soon? H ( 1 2 3) Glennage	Jul10-11 04:20 PM soulfien	35	23,163
Two moons on August 27th, 2007 C H HiggsBoson	Aug28-07 05:28 AM IBN ALHAITHAM	11	23,044
Why does Gravity occur? C H ( 1 2) Tyger	Nov28-03 03:24 PM Sniper__1	24	20,623
Why doesn't the Moon Spin? C H ( 1 2 3 4) RichD	May25-11 04:21 PM JaredJames	61	20,586
[SOLVED] Astronomy Q&A Game C H ( 1 2 3 4 ... Last) Nicool002	May9-04 09:56 PM Shadow	507	20,514
universe is an atom? C H myfinalcoffinx	Jun6-08 07:39 AM cristo	5	19,838
What causes Big Bang? C H afton	Dec30-04 08:20 PM turbo	11	19,509
white hole / black hole theory C H ( 1 2) DR OF DEATH	Nov5-07 03:23 PM B_hole-masta	26	19,280
celestron powerseeker 675 H ( 1 2) alias25	Jan5-12 09:40 PM Drakkith	27	19,209
Is the Sun Dying? C H ( 1 2) Science-Boy	Dec11-08 08:17 PM hage567	30	19,050
odd star flicker H ( 1 2) relativelyslow	Jan6-12 06:04 AM TheTechNoir	24	18,942
Total Energy in the Universe H ( 1 2) Curious6	Oct6-11 03:53 PM dejesusluisx	28	18,564
Center of the Univers C H ( 1 2 3 4 ... Last) The Grimmus	Jul15-03 03:02 PM Phobos	291	18,400
What does space look like from space? C H CGameProgrammer	Mar3-04 09:57 PM CGameProgrammer	7	18,233
Farthest Visible Star C H ( 1 2) AcidRainLiTE	Mar16-06 03:46 AM Chaos' lil bro Order	18	17,603
Why do all the planets orbit in the same plane? H QEDrpf33	Jul18-12 09:04 AM Drakkith	16	17,599
Non-carbon based life-forms? C H ( 1 2) Gold Barz	Dec22-08 10:56 AM harvellt	32	17,592

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