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三叶星云本身代表着恒星形成的最后阶段。 The Trifid Nebula itself represents the final phase of star formation. | ||
三叶星云的名子来由，是因为在图片显示中，它有三片不同的叶子。 Trifid got its name because in photographs it has three distinct lobes. | ||
转子泵的转子叶数可能是两叶或三叶。 Number of lobe of rotor in rotating pump may be two or three. | ||
三裂星云比礁湖星云稍微暗一些。 The Trifid is a little dimmer than the Lagoon. | ||
l还有一种星云叫反射星云，它们本身并不发光。 L Reflection nebulae have no light of their own. | ||
l猎户星座中的马头星云是最著名的暗星云。 L the Horsehead nebula in Orion is the best-known dark nebula. | ||
脊索是双边对称的，三叶裂的，分段的腔壁。 Chordates are bilaterally symmetrical, triploblastic, segmented coelomates. | ||
l天琴座中的环状星云是最著名的行星状星云。 L the Ring nebula in Lyra is the best-known of the planetary nebulae. | ||
从影像左方开始往右，分别可以找到潟湖星云、三裂星云、猫掌星云、烟斗星云以及色彩缤纷的心宿增四星和心宿二。 Starting on the left, look for the Lagoon and Trifid nebulae, the Cat's Paw, the Pipe dark nebula, and the colorful clouds of Rho Ophiuchi and Antares (right). | ||
这是蟹状星云。 And here you see the Crab Nebula. | ||
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