5197| 10
|
[转]如何制造天文数字——天体距离的测量 |
| ||
有造父变星的资料吗?
| ||
| ||
| ||
|小黑屋|手机版|Archiver|Astronomy Forum of Starry Sky ( 浙ICP备16020121号 )
GMT+8, 2024-11-26 14:08 , Processed in 0.071202 second(s), 19 queries .
Powered by Discuz! X3.2
© 2001-2013 Comsenz Inc.