|
|||||
|
|
Star pair both have dust discs |
|
| Abstract: | Near-infrared observations of the Helix Nebula show that the comet-shaped knots found there are more abundant than thought, with many thousands picked out by the Subaru telescope. |
| Keywords: | |
|
||||||||||||
|
||||||||||||
|
||||||||||||
|
|
|
|
| 设为首页 | 免责声明 | 关于勤云 | 加入收藏 |
|
Copyright©北京勤云科技发展有限公司 京ICP备09084417号 |