冲日
冲日-
本周六也就是3月3日是火星冲日的时刻。
Because Saturday , March 3 , is the Mars opposition .
-
小行星的行星摄动，轨道改进和冲日星历表全部连续的自动计算
Automatic calculation of planetary perturbations and improvement of orbits and opposition ephemeris of asteroids
-
星期六将有一个由天文专家主持的免费直播的火星冲日讨论组。
But Saturday there 'll be a free live streaming of the Mars Opposition , hosted by astronomy experts .
-
冲日时火星正面反射太阳光至地球，且距离又较近，故显得特别光亮。
During opposition Mars reflect Sun light directly to the Earth at a closer distance , so Mars will appear much brighter .
-
火星冲日是指火星和太阳正好运行到地球的两侧。
The name - the Mars opposition - means that Mars and the sun are on , well , opposite sides of us .