Less than 100 million years old, the young stars are blue in the above false-color Galex image and seen to be well separated from the older yellowish stars of the galactic core.

 
  • 这些年轻的恒星年龄小于1亿年,在上面这张假色影像中显示蓝色,与星核内年老的黄色恒星明显地区别开来。
今日热词
目录 附录 查词历史