Redian新闻
>
Astronomy Picture of Day: Pinwheel Galaxy
avatar
Astronomy Picture of Day: Pinwheel Galaxy# Astronomy - 天文
s*t
1
M101: The Pinwheel Galaxy
Credit & Copyright: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT
Explanation: Why do many galaxies appear as spirals? A striking example is M101, shown
above, whose relatively close distance of about 22 million light years allow it to be studied in
some detail. Recent evidence indicates that a close gravitational interaction with a
neighboring galaxy created waves of high mass and condensed gas which continue to orbit the
galaxy center. These waves compr
相关阅读
logo
联系我们隐私协议©2024 redian.news
Redian新闻
Redian.news刊载任何文章,不代表同意其说法或描述,仅为提供更多信息,也不构成任何建议。文章信息的合法性及真实性由其作者负责,与Redian.news及其运营公司无关。欢迎投稿,如发现稿件侵权,或作者不愿在本网发表文章,请版权拥有者通知本网处理。