出典: フリー百科事典『ウィキペディア(Wikipedia)』
[編集] ウィキメディア・コモンズの記述
Illumination of Earth by Sun on the day of winter solstice on northern hemisphere.
Image by Przemyslaw "Blueshade" Idzkiewicz.
A view to eastern-hemisphere showing noon in Central European time zone (ignoring DST) on the day of winter solstice (on northern hemisphere - this is summer solstice on southern hemisphere).
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.
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