head above the centre of gravity
1The Hitchhiker's Guide to the Galaxy Tertiary to Quintessential Phases — The Tertiary Phase , Quandary Phase and Quintessential Phase are radio adaptations of the books Life, the Universe and Everything , So Long, and Thanks For All the Fish and Mostly Harmless recorded in 2003 and 2004 by Above the Title Productions… …
2The Impossible Planet — Infobox Doctor Who episode| number=178a serial name= The Impossible Planet caption= The black hole above the rocky landscape of Krop Tor show=DW type=episode doctor=David Tennant (Tenth Doctor) companion=Billie Piper (Rose Tyler) guests= * Danny… …
3Christianity in the 4th century — See also: Christianity in the 3rd century and Christianity in the 5th century Christianity in the 4th century was dominated by Constantine the Great, and the First Council of Nicea of 325, which was the beginning of the period of the First… …
4Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
5Culture of the United Kingdom — The Proms is an eight week summer season of daily orchestral classical music concerts, on the last night with some traditional patriotic music of the United Kingdom.[1][2] …
6Masters (The Tripods) — The Masters are a fictional intelligent alien life form in John Christopher s The Tripods trilogy. They are first mentioned and seen in chapter 6 of The City of Gold and Lead. Contents 1 Biology 2 Psychology 3 Technology …
7Jerusalem during the Crusader period — The Crusader period in the history of Jerusalem began with the conquest of the city by the Crusader army in 1099, during the First Crusade, as it is now known, Jerusalem became the capital of the kingdom for the crusading Christians, these events …
8Artificial gravity — is a simulation of gravity in outer space or free fall. Artificial gravity is desirable for long term space travel for ease of mobility and to avoid the adverse health effects of weightlessness.MethodsArtificial gravity could be created in… …
9Colonization of the Moon — Lunar outpost redirects here. For NASA s plan to construct an outpost between 2012 and 2024, see Lunar outpost (NASA). Moonbase redirects here. For other uses, see Moonbase (disambiguation). 1986 artist concept The colonization of the Moon is the …
10Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian …
