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  2. Lunar resources - Wikipedia

    en.wikipedia.org/wiki/Lunar_resources

    Materials on the Moon's surface contain helium-3 at concentrations estimated between 1.4 and 15 parts per billion (ppb) in sunlit areas, [1] [63] [64] and may contain concentrations as much as 50 ppb in permanently shadowed regions. [65] For comparison, helium-3 in the Earth's atmosphere occurs at 7.2 parts per trillion (ppt).

  3. National Transmission System - Wikipedia

    en.wikipedia.org/wiki/National_Transmission_System

    LNG storage tank capacity Commissioned Decommissioned Operations Canvey Island, Essex 6 × 4,000 tonnes, 2 × 1,000 tonnes, 4 × 21,000 tonnes [19] (underground) 1959, 1964, 1968, 1975 1984 [20] Import of LNG from Arzew Algeria, original contract for 1 billion m 3 (35 billion cu ft) per year of gas. Liquefication 205 tonnes/day, vapourisation 6 ...

  4. SpaceX Dragon 2 - Wikipedia

    en.wikipedia.org/wiki/SpaceX_Dragon_2

    [25] [32] Dragon 2's propellant and helium pressurant for emergency abort and orbital maneuvers are stored in composite-carbon-overwrap titanium spherical tanks at the capsule's base in an area known as the service section. For launch aborts, the capsule relies on eight SuperDraco engines arranged in four redundant pairs.

  5. Hindenburg disaster - Wikipedia

    en.wikipedia.org/wiki/Hindenburg_disaster

    The Hindenburg disaster was an airship accident that occurred on May 6, 1937, in Lakehurst, New Jersey, United States.The LZ 129 Hindenburg (Luftschiff Zeppelin #129; Registration: D-LZ 129) was a German commercial passenger-carrying rigid airship, the lead ship of the Hindenburg class, the longest class of flying machine and the largest airship by envelope volume. [1]

  6. Wikipedia:Reference desk/Archives/Science/March 2006 - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    16.5 tracking a path of a helium-filled balloon. 4 comments. 16.6 Venus Rotation. 9 comments. ... 17.6 Laptop price? 5 comments. 17.7 Transplantation Immunology. 2 ...

  7. Wikipedia:Reference desk/Archives/Science/December 2005 ...

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    Is a tank of water placed between the lens and the mirror, or is the whole setup submerged in water? It makes a big difference. —Keenan Pepper 18:58, 2 December 2005 (UTC) He means exactly what his teacher means, I suspect. (do your own homework)Superm401 | Talk 00:13, 3 December 2005 (UTC) Do your own homework.