| 单词 | fixed star |
| 释义 | fixed star (once / 7486 pages) n WORD FAMILY fixed star: fixed stars USAGE EXAMPLESHe placed the Sun “among” the fixed stars. Carl Sagan, Cosmos(1980) For a couple of months every two years, Mars changes the direction of its motion against the backdrop of fixed stars. National Geographic(Apr 11, 2016) The solar day would always be 24 hours if the sun “moved” east against the background of fixed stars at a constant rate. Forbes(Jan 07, 2015) n any star in the Ptolemaic theory of planetary motion Hyper star (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior |
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