Forum: Astronomy & Cosmology

The scientific study of matter in outer space and the astrophysical study of the history, structure, and constituent dynamics of the universe..

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Sticky: Interesting astronomical events and observing tips Started by ricci70, October 20th, 2008 04:23 AM 2 Pages • 1 2	Replies: 129 Views: 32,857	Last Post By ricci70 November 2nd, 2013, 08:36 AM
Sticky: The basis of modern cosmology Started by DrRocket, January 4th, 2011 01:05 AM	Replies: 25 Views: 12,356	Last Post By Dishmaster September 20th, 2011, 05:34 PM
Sticky: Rules on homework help - READ THIS BEFORE POSTING OR HELPING Started by Dishmaster, November 15th, 2008 01:28 PM	Replies: 0 Views: 23,858	Last Post By Dishmaster November 15th, 2008, 01:28 PM

The most advanced private space company of the present time Started by bearnard bale66, March 1st, 2021 09:37 AM	Replies: 0 Views: 36	Last Post By bearnard bale66 March 1st, 2021, 09:37 AM
New exoplanet candidate found in the habitable zone of the closest star system Started by SciForerer, February 28th, 2021 09:52 AM	Replies: 1 Views: 53	Last Post By exchemist March 1st, 2021, 07:19 AM
Earth's Magnetic Field. Does it persist today from one or more large impacts, or something else? Started by Double Helix, January 27th, 2021 01:29 PM	Replies: 2 Views: 306	Last Post By Double Helix February 27th, 2021, 04:18 PM
Space technology that can help us save our environment Started by bearnard bale66, February 16th, 2021 09:04 AM	Replies: 3 Views: 243	Last Post By bearnard bale66 February 23rd, 2021, 04:12 AM
Space junk Started by bearnard bale66, February 11th, 2021 03:06 AM	Replies: 8 Views: 196	Last Post By bearnard bale66 February 16th, 2021, 07:19 AM
Nearly 164 UFO Sightings Reported in Idaho in 2020! Started by DavidLambert, February 11th, 2021 07:36 PM	Replies: 2 Views: 161	Last Post By Double Helix February 12th, 2021, 01:07 PM
Unobservable Universe Will Come Into View (eventually) Started by zinjanthropos, December 18th, 2020 12:50 PM	Replies: 36 Views: 799	Last Post By Dywyddyr February 12th, 2021, 03:59 AM
spacecraft that can be used for microgravity missions and experiments Started by bearnard bale66, February 8th, 2021 07:19 AM	Replies: 0 Views: 160	Last Post By bearnard bale66 February 8th, 2021, 07:19 AM
The hybrid rocket Started by bearnard bale66, January 26th, 2021 09:15 AM	Replies: 2 Views: 231	Last Post By exchemist January 27th, 2021, 06:49 AM
Crewed or uncrewed missions? Started by bearnard bale66, January 13th, 2021 07:22 AM	Replies: 9 Views: 388	Last Post By bearnard bale66 January 22nd, 2021, 10:32 AM
The emerging space technology Started by bearnard bale66, January 18th, 2021 08:37 AM	Replies: 5 Views: 298	Last Post By bearnard bale66 January 22nd, 2021, 05:02 AM
Dumb Questions Reborn Started by zinjanthropos, June 29th, 2017 10:20 PM 2 Pages • 1 2	Replies: 138 Views: 10,461	Last Post By zinjanthropos January 18th, 2021, 12:21 PM
The problem of crushing Starship Started by bearnard bale66, January 5th, 2021 08:12 AM	Replies: 2 Views: 304	Last Post By bearnard bale66 January 18th, 2021, 04:50 AM
The most advanced space craft of the recent time that impressed you the most Started by bearnard bale66, January 6th, 2021 10:07 AM	Replies: 3 Views: 331	Last Post By bearnard bale66 January 15th, 2021, 03:14 AM
The influence of space weather on the space crafts` launches Started by bearnard bale66, January 11th, 2021 09:40 AM	Replies: 3 Views: 315	Last Post By bearnard bale66 January 14th, 2021, 07:52 AM
Mars Colonisation Started by bearnard bale66, January 4th, 2021 04:31 AM	Replies: 1 Views: 297	Last Post By exchemist January 4th, 2021, 05:02 AM
Why can't we go faster than the light. Is this speculation physical or mathematical? Started by Math10, September 19th, 2020 06:14 PM	Replies: 8 Views: 2,104	Last Post By Origin December 17th, 2020, 06:53 PM
Sanity check about Jupiter's recent closest approach Started by GreatBigBore, July 31st, 2020 02:39 PM	Replies: 0 Views: 1,849	Last Post By GreatBigBore July 31st, 2020, 02:39 PM
Astronomers will be able to image Earth-like planets by 2025 Started by alpha015, February 22nd, 2020 01:15 PM	Replies: 2 Views: 2,346	Last Post By Paleoichneum March 2nd, 2020, 02:39 PM
Inside The 24/7 Search For Another Habitable Planet Within 100 Light Years Of Earth Started by alpha015, November 26th, 2019 06:00 PM	Replies: 0 Views: 2,431	Last Post By alpha015 November 26th, 2019, 06:00 PM