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This section allows you to view the topics this user has created, and which topics the user has participated in.

Topics	Replies	Views	Last post
New Theories \ If there was one Big Bang event, why not multiple big bangs? Started by Bogie_smiles	854	149386	Last post by Bogie_smiles 08/08/2022 02:32:26
Geology, Palaeontology & Archaeology \ Do magma pressure studies contradict model of earth's convection currents? Started by billyaimee	10	4117	Last post by Bored chemist 15/03/2022 13:08:22
General Science \ The journey to the red planet: does humanity need Mars colonisation? Started by bearnard1212	156	21158	Last post by hamdani yusuf 22/10/2021 23:46:29
New Theories \ Can an Impulse Engine be made? Started by Professor Mega-Mind	101	14661	Last post by Bored chemist 11/10/2021 17:59:59
New Theories \ Is it possible to have a space drive using reflecting light? Started by Professor Mega-Mind	4	2380	Last post by Professor Mega-Mind 06/09/2021 23:32:59
Physics, Astronomy & Cosmology \ Are black holes really holes? Started by SymeAaro	33	11753	Last post by TommyJ 04/08/2021 08:41:41
New Theories \ New discussion: How do we know the Universe is expanding, and expanding into nothing? Started by Europa	83	3732	Last post by Bored chemist 26/07/2021 20:47:04
Physics, Astronomy & Cosmology \ Could there be life on other planets? Started by ukmicky	60	19488	Last post by Bored chemist 02/06/2021 17:19:45
Physics, Astronomy & Cosmology \ How does rocket thrust work in the vacuum of space? Started by Glenn Romaniuk	24	60956	Last post by Professor Mega-Mind 15/09/2020 01:06:30
Physics, Astronomy & Cosmology \ Red-shift of reflected light? Started by 0	35	17901	Last post by alancalverd 11/06/2020 08:22:13
Physics, Astronomy & Cosmology \ Are there different types of gravity? Started by Harri	39	6944	Last post by Professor Mega-Mind 29/05/2020 07:47:21
Physics, Astronomy & Cosmology \ Does gravity attract masses in space, or does it curve space between them? Started by Alan McDougall	98	30540	Last post by PmbPhy 27/05/2020 04:59:52
New Theories \ How does the expansion of space work? Started by Professor Mega-Mind	23	4603	Last post by Bored chemist 22/05/2020 13:09:10
Physics, Astronomy & Cosmology \ Why is it called dark matter instead of dark gravity? Started by IAMREALITY	25	11900	Last post by Professor Mega-Mind 19/05/2020 19:13:04
New Theories \ Reactionless Drives Possible ? Started by Professor Mega-Mind	334	35273	Last post by Professor Mega-Mind 16/05/2020 03:02:10
General Science \ Do sounds add together to make louder sounds? Started by 0	28	39282	Last post by Colin2B 13/05/2020 00:20:25
Physics, Astronomy & Cosmology \ Is there a "force of gravity"? Started by Geezer	51	32921	Last post by Bored chemist 19/03/2020 20:01:02
Geology, Palaeontology & Archaeology \ Dinosaur evolution - were they warm blooded ? Started by Scarlet King Snake	39	68311	Last post by Professor Mega-Mind 17/03/2020 13:26:20
Physics, Astronomy & Cosmology \ What spun-down the inner planets ? Started by Professor Mega-Mind	15	4793	Last post by Professor Mega-Mind 01/03/2020 05:01:55
New Theories \ What is the best spaceship design? Started by Professor Mega-Mind	193	23465	Last post by Professor Mega-Mind 25/01/2020 00:03:57