right ascension

名词 n.

英文释义

名词 n.
  1. The angular distance east of the vernal point (“the solar zenith at the March equinox”); the celestial equivalent of longitude.
    — The sun's right ascension in time is useful to the practical astronomer in regular observatories, who adjusts his clock by sidereal time.

词形变化

0 次浏览 数据来源: Wiktionary