emission nebula

基本解释

Finding Barnard 163 in an image of its greater emission nebula IC 1396 can be a challenge, but it's possible.
在 Barnard 163 所在的更爲龐大的發射星雲 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於 IC 1396，這是一個大型發射星雲，其中居住著象軀星雲。
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.
這個發射星雲在南天星座天罈座另一個巨大的暗分子雲的邊緣被發現，離我們約4000光年。