| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024dou′ble star′, [Astron.]- Astronomytwo stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star,) or those that are relatively close together and comprise a single physical system (physical double star.) Cf. binary star.
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