银河系到另外一个星系之间都有什么？空的？有恒星吗？ - 未名空间MITBBS历史存档

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银河系到另外一个星系之间都有什么？空的？有恒星吗？

银河系到另外一个星系之间都有什么？空的？有恒星吗？# GeoSpace - 地球与空间科学

s*n2006-04-07 07:04

1 楼

Q: 银河系到另外一个星系之间都有什么？空的？有恒星吗？
There are just my guess, don't take it seriously:
1. Mirror sites: galaxy after galaxy
2. Cyclic composition: like the surface of the earth
3. Singular point/boundary: there is a sudden boundary space where no material
exists
4. Infinite universe: endless
5. Finite yet expanding universe: as Einstein proposed
6. Infinite yet limited universe: as Hokins proposed

t*r2006-04-07 07:04

2 楼

这么抽象的问题，俺实在不知道，呵呵

material

【在 s******n 的大作中提到】

: Q: 银河系到另外一个星系之间都有什么？空的？有恒星吗？
: There are just my guess, don't take it seriously:
: 1. Mirror sites: galaxy after galaxy
: 2. Cyclic composition: like the surface of the earth
: 3. Singular point/boundary: there is a sudden boundary space where no material
: exists
: 4. Infinite universe: endless
: 5. Finite yet expanding universe: as Einstein proposed
: 6. Infinite yet limited universe: as Hokins proposed