Explanation: This 3 month long exposure packed the days from December 22, 2015 through March 20 into a box. Dubbed a solargraph, the unconventional, unfolded picture was recorded with a pinhole camera made from a cube-shaped container, its sides lined with photographic paper. Fixed to a single spot for the entire exposure, the simple camera recorded the Sun's path through Hungarian skies. Each day a glowing trail was burned into the photosensitive paper. From short and low, to long and high, the trails follow the progression from winter solstice to spring equinox. Of course, dark gaps in the daily sun trails are caused by cloud cover. Sunny days produce the more continuous bright tracks.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: equinox - solstice - Ravnodenstvie - solncestoyanie Publikacii so slovami: equinox - solstice - Ravnodenstvie - solncestoyanie
Sm. takzhe: God zakatov Chikagohendzh: ravnodenstvie v uporyadochennom gorode Teni ot voshodyashego Solnca na nebe Luna pri solncestoyanii Sendi i lunnoe galo Zhivopisnyi zakat v den' ravnodenstviya Letnyaya noch' v dekabre Vse publikacii na tu zhe temu >>