-
如果密度正好等于临界密度,宇宙则是平坦的,但很可能仍然是无限的。
If the density just equals the critical density, the universe is flat, but still presumably infinite.
youdao
-
如果密度正好等于临界密度,宇宙则是平坦的,但很可能仍然是无限的。
If the density just equals the critical density, the universe is flat, but still presumably infinite.
youdao