emission nebula

常見例句

Finding Barnard 163 in an image of its greater emission nebula IC 1396 can be a challenge, but it's possible.
在 Barnard 163 所在的更為龐大的發(fā)射星云 IC 1396 的圖片中尋找它的蹤影有些難度，但還是找得到的。
The red glow in the background results from IC 1396, a large emission nebula that houses the Elephant's Trunk Nebula.
背景的紅色光芒來自于 IC 1396，這是一個(gè)大型發(fā)射星云，其中居住著象軀星云。
The emission nebula is found near the edge of an otherwise dark large molecular cloud in the southern constellation Ara, about 4, 000 light-years away.
這個(gè)發(fā)射星云在南天星座天壇座另一個(gè)巨大的暗分子云的邊緣被發(fā)現(xiàn)，離我們約4000光年。