A bunch of photographers have taken many, many photographs at night of the sky and the Milky way. Hence their professional name: TWAN, or The World At Night. It is a very good homepage, explaining the physical phenomenas seen on the many pictures there.
Many of the pictures seem to be inspired by the Daily News on National Geographic's webpage.
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| Twilight sky at 3,270 m altitude, Canary Islands. |
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| Note the light from the city below the clouds. |
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| "A very pedagogical picture", to quote a guide I spoke to at a Swedish museum who included it in the exhibition. |
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| The sun actually moves in the shape of an analemma during one year. |
Many of the pictures seem to be inspired by the Daily News on National Geographic's webpage.
