語出維基大典,自由之大典矣
Illumination of Earth by Sun on the day of equinox (vernal and autumnal).
Image by Przemyslaw "Blueshade" Idzkiewicz.
A view to eastern-hemisphere showing noon in Central European time zone (ingoring DST) on the day of equinox.
Following third-party images were used to create this image:
- "Earth's City Lights" [1],
- and "The Blue Marble: Land Surface, Ocean Color and Sea Ice" [2].
These images come from an archive of American government agency, NASA and as such, they constitute "public domain" content.
Illumination maps were created using "Home Planet" [3] by John Walker.
This image is hereby released under cc-by-sa license.
There exists also a Polish version of this image: Image:Earth-lighting-equinox PL.png
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