标签：Equinoxes 相关文章
Twice a year, day and night, fall into balance, lasting for nearly equal length. Known as equinoxes, Latin for equal night, they occur in March and September and along with solstices mark the changing of seasons as Earth travels around the sun. Astro
发表于:2018-12-03 / 阅读(90) / 评论(0)
自然百科2008年
自然百科2008年
Twice a year, day and night, fall into balance, lasting for nearly equal length. Known as equinoxes, Latin for equal night, they occur in March and September and along with solstices mark the changing of seasons as Earth travels around the sun. Astr
发表于:2018-12-05 / 阅读(51) / 评论(0)
国家地理2008年
国家地理2008年