Template:Motd/2012-03-29 (zh-hans)

在没有暗物质的情况下，星系外部旋转速度比内部慢。

 Template:Motd/2012-03-29

This is the Simplified Chinese translation of the Media of the day description page from 29 March 2012.

Descriptions in other languages:

• Motd/2012-03-29 (en)
• Motd/2012-03-29 (fr)
• Motd/2012-03-29 (mk)
• Motd/2012-03-29 (zh-hans)