What If the Universe Isn't Flat But a Giant Loop
Keywords:
If you got into a spaceship, and traveled long enough and fast enough, could you eventually loop back to where you started?
Assuming you don't accidentally collide with another planet or star, and ...
如果你坐上了一艘宇宙飞船,旅行的时间足够长,速度也足够快,你最终能回到你开始的地方吗?假设你没有意外地与另一颗行星或恒星相撞,并且一路上没有黑洞吞噬你。
这是 WHAT IF,这是如果宇宙是一个循环会发生什么。
我们对宇宙了解不多。
我们不...
|