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Topics	Replies	Views	Last post
Physics, Astronomy & Cosmology \ Would increase or a drop in Sun's temperature effect Earth's temperature? Started by bobdihi	13	8108	Last post by andrew7278 29/07/2019 10:55:01
Physics, Astronomy & Cosmology \ Why finding a life on another planet is such a big deal? Started by bobdihi	1	1116	Last post by alancalverd 25/05/2019 22:46:56
Physics, Astronomy & Cosmology \ When Vacuum Is Not A Vacuum? Started by bobdihi	2	1646	Last post by evan_au 14/01/2019 09:08:35
Physics, Astronomy & Cosmology \ How big must a body of water be to have tides? Started by bobdihi	11	4128	Last post by Bored chemist 06/08/2018 19:10:44
Physics, Astronomy & Cosmology \ Does Earth's Orbit vary around the Sun? Started by bobdihi	3	2184	Last post by Janus 16/06/2018 16:06:01
Chemistry \ Why can't we live without water? Started by bobdihi	7	3437	Last post by CliffordK 08/06/2018 19:03:17
Physics, Astronomy & Cosmology \ Do you become an owner of a star or a planet if you get there first? Started by bobdihi	10	3986	Last post by CliffordK 06/06/2018 23:53:02
Physics, Astronomy & Cosmology \ Is it easier to build habitation in a Low Gravity Environment? Started by bobdihi	3	2155	Last post by evan_au 28/05/2018 22:44:48
Physiology & Medicine \ How far into pregnancy can you test the foetal DNA? Started by bobdihi	1	1701	Last post by chris 26/05/2018 22:55:57
Physics, Astronomy & Cosmology \ Where does one Universe stop and another start? Started by bobdihi	16	3704	Last post by Bill S 20/12/2017 22:38:11
General Science \ At what speed does passing air feel hotter, rather than cooler? Started by bobdihi	10	3302	Last post by Petrochemicals 09/12/2017 21:56:32
General Science \ Where is all the Oxygen hiding in the Solar System? Started by bobdihi	4	2436	Last post by Ophiolite 12/11/2017 21:01:07
Physics, Astronomy & Cosmology \ International space station Started by bobdihi	3	2960	Last post by evan_au 13/01/2014 11:39:13
Physics, Astronomy & Cosmology \ What keeps our earth's core from cooling down? Started by bobdihi	2	3286	Last post by chris 03/05/2013 22:44:44