periastron
/ˌperɪˈæstrɒn/noun
- Astronomy the point nearest to a star in the path of a body orbiting that star【天文】近星点。
词源
mid 19th cent.: from PERI- 'around' + Greek astron 'star', on the pattern of perigee and perihelion.
| 单词 | periastron |
| 释义 | periastron/ˌperɪˈæstrɒn/noun
词源 mid 19th cent.: from PERI- 'around' + Greek astron 'star', on the pattern of perigee and perihelion. |
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