| 单词 | giant molecular cloud |
| 释义 | giant molecular cloudA cloud of molecular hydrogen typically located in the arm of a spiral galaxy, believed to be an area of active star formation. Protostars are located in the densest regions of such clouds. See more at protostar. Words nearby giant molecular cloudgiant hogweed, giant impact theory, giantism, giant kelp, giant killer, giant molecular cloud, giant otter, giant panda, giant peacock moth, giant petrel, giant planet The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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