On the left is an emission nebula cataloged as NGC 7000, famous partly because it resembles our fair planet「s continent of North America.
左侧是编号NGC 7000的发射星云,或多或少由于它形似我们的地球上的北美洲大陆而着名。
At 5, 500 light years distant, Cat」s Paw is an emission nebula with a red color that originates from an abundance of ionized hydrogen atoms.
5500光年远处,猫爪星云是一个发射星云,红色来源于其丰富的电离状态的氢原子。
Part of a larger emission nebula with a distinctive shape, popularly called the pelican nebula, the ridge spans about 10 light-years and follows the curve of the cosmic pelican「s head and neck.
At 5,500 light years distant, Cat」s Paw is an emission nebula with a red color that originates from an abundance of ionized hydrogen atoms.
猫掌星云距离我们5,500光年,是一个发射星云,而那红光是大量被电离了的氢原子发出的。
This emission nebula on the left is famous partly because it resembles Earth's continent of North America.
左边这个发射星云之所以有名,部分原因在于它和地球上的北美洲很相似。
The star system, located only 400 light years away, is distinguished by its colorful surroundings, which include a red emission nebula and numerous light and dark brown dust lanes.
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.
这个发射星云在南天星座天坛座另一个巨大的暗分子云的边缘被发现,离我们约4000光年。
About five light-years 「tall」, the dark cloud is cataloged as Barnard 33 and is visible only because its obscuring dust is silhouetted against the glowing red emission nebula IC 434.