september equinox 在 What is the autumnal equinox? - YouTube 的評價 This year's autumnal equinox takes place on Sept. 22, but what does that mean? Here's what you need to know. ... <看更多>
september equinox 在 Autumn arrives: The fall equinox explained in six images 的評價 Autumn arrives: The fall equinox explained in six images. Monday marks the end of astronomical summer in the Northern Hemisphere. At 10:29 p.m., the sun can ... ... <看更多>
