At that estimated distance, this sharp, near-infrared close-up of the active Serpens star-forming region spans about 2 arcminutes or just over half a light-year.

• 这张清晰的巨蛇座恒星形成区域特写影像，是用近红外线拍摄，在这个距离上估计这张影像覆盖大约2弧分或者说只有半光年多。