相關字詞組
最近查詢過的單字

天火字典

英日字典: closed_universe

closed universe   (TTS Sound)


The closed_universe has 1 Senses.

  • closed universe
  • (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang; the visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter
  • 空間的に閉ざされ、その中でビッグバンから始まった拡張を停止させる十分な物質がある宇宙

返回 →