orion molecular cloud

基本解釋

The entire cosmic vista spans over 30 light-years, near the edge of the Orion molecular cloud complex some 1,500 light-years distant.
這整張宇宙影像覆蓋超過(guò)30光年，距離獵戶座復(fù)雜分子云大約1，500光年遠(yuǎn)。
bbs.astron.ac.cn
The complex is called the Vela Molecular Cloud Ridge, and may form part of the edge of the Orion spiral arm spur in the Milky Way galaxy.
這片復(fù)合區(qū)域被稱為船帆分子云脊（Vela Molecular Cloud Ridge），它可能參與形成了獵戶座懸臂的邊緣部分。
Like the Horsehead, the Flame, and the Orion Nebula itself, M78 is a readily visible part of the large Orion Molecular Cloud complex some 1, 500 light-years distant.
正如馬頭，火焰，以及獵戶星座一樣，M78是大獵戶座分子云可見的一部分，約有1500光年的距離。