宇宙最终的命运究竟会何去何从？
关乎宇宙命运的一个关键问题在于：引力是否足够强大，最终扭转膨胀的趋势并导致宇宙坍塌回去。
A key question for the fate of the universe is whether or not the pull of gravity is strong enough to ultimately reverse the expansion and cause the universe to collapse back on itself.
应用推荐