淡江大學機構典藏:Item 987654321/109279
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    機構典藏 > Journal of TKU > Journal of Futures Studies > v.20 n.3 >  Item 987654321/109279
    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/109279


    Title: Until 2100 there is a Plenty of Hope at the Bottom of Society and Out There in the Cosmos
    Authors: Motti, Victor Vahidi
    Date: 2016-03
    Issue Date: 2017-01-16 14:25:33 (UTC+8)
    Publisher: 淡江大學未來學研究所
    Abstract: The universe of matter-energy unlike its apparent complexity could be extraordinary simple. For example, if you would like to know how much matter-energy can be squeezed into a volume of space as in a star without it shrinking under its own gravitational pull and turning into a blackhole you can solve Einstein’s field equations of curved spacetime to arrive at a simple equation that has been named after the physicist Hans Adolph Buchdahl who discovered it. The maximum mass-energy allowable inside a sphere to ensure a static Star is obtained from Buchdahl’s Theorem; that is providing a theoretical upper limit:

    M(max)=4/9*R/G*c^2
    Relation: Journal of Futures Studies 20(3), pp.117-122
    DOI: 10.6531/JFS.2016.20(3).E117
    Appears in Collections:[Journal of Futures Studies] v.20 n.3

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