Forum: Astrophysics & Cosmology

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Solstice calculation problem Started by electrogeek, 10-10-2017 06:35 PM	Replies: 1 Views: 3,947	Last Post By ajanesyandext7046 11-05-2019, 11:29 PM
Comoving coordinates Started by Sanev, 06-26-2018 08:07 AM	Replies: 0 Views: 5,682	Last Post By Sanev 06-26-2018, 08:07 AM
Gravity Assist and Angles Started by puzzle101, 05-30-2018 12:15 AM	Replies: 2 Views: 2,697	Last Post By puzzle101 05-30-2018, 07:12 PM
What could go wrong? Started by Fordiud, 05-06-2018 06:04 PM	Replies: 1 Views: 1,134	Last Post By AndrewC 05-07-2018, 02:02 PM
Enceladus probe Started by Fordiud, 05-05-2018 04:55 PM	Replies: 0 Views: 985	Last Post By Fordiud 05-05-2018, 04:55 PM
Basic rule for the Atmospheric Reentry Time of non powered Glider Class vehicles Started by laurieag, 04-12-2018 09:53 AM	Replies: 0 Views: 913	Last Post By laurieag 04-12-2018, 09:53 AM
Orbital speed behind the horizon of a BH? Started by Sanev, 03-26-2018 07:20 PM	Replies: 3 Views: 1,268	Last Post By AndrewC 03-28-2018, 12:49 PM
Question about Black Holes and singularities Started by jademann, 03-03-2018 09:40 PM	Replies: 4 Views: 1,502	Last Post By geordief 03-05-2018, 12:08 AM
Magnetic reconnection, flux transfer events and atmospheric currents Started by Astral traveler, 12-17-2017 03:53 PM	Replies: 0 Views: 1,124	Last Post By Astral traveler 12-17-2017, 03:53 PM
Parallax Started by ivy, 06-22-2017 01:02 AM	Replies: 22 Views: 2,879	Last Post By Strange 12-09-2017, 09:22 AM
need help is my teory Started by roma2525, 12-07-2017 10:12 PM	Replies: 2 Views: 1,112	Last Post By AndrewC 12-08-2017, 03:53 AM
foreigner students need help Started by frenchies, 11-09-2017 09:55 AM	Replies: 3 Views: 1,272	Last Post By AndrewC 11-13-2017, 03:31 PM
Maximum Velocity in a vacuum with force applied Started by Mr LeClair, 11-05-2017 02:00 PM	Replies: 1 Views: 981	Last Post By tk421 11-05-2017, 08:57 PM
consciousness : Questions of a layman Started by Anurag, 10-20-2017 05:34 PM	Replies: 1 Views: 1,158	Last Post By tk421 10-20-2017, 08:21 PM
Cosmology and Consciousness Started by Quantumologist, 10-17-2017 11:24 AM	Replies: 1 Views: 1,377	Last Post By tk421 10-19-2017, 12:39 AM
I need your help: Started by victorespinoza72, 10-08-2014 04:19 PM	Replies: 33 Views: 2,691	Last Post By victorespinoza72 10-10-2014, 07:12 PM
Age of the universe Started by Udoka Esther, 09-21-2014 08:27 AM	Replies: 11 Views: 1,999	Last Post By pikpobedy 10-06-2014, 02:57 PM
Big rip Started by Ascended, 09-29-2014 08:45 PM	Replies: 4 Views: 1,417	Last Post By Ascended 10-01-2014, 08:31 PM
Where do I begin? Started by astronomerJ, 09-27-2014 03:36 AM	Replies: 3 Views: 1,365	Last Post By tk421 09-27-2014, 09:50 PM
Speed of Light - Can it Change? Started by Realsan, 09-20-2014 06:45 AM	Replies: 6 Views: 1,398	Last Post By Kojax 09-27-2014, 02:09 PM