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Solstice to Solstice Solargraph Timelapse
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Solstice to Solstice Solargraph Timelapse
Credit & Copyright: Sam Cornwell
Explanation: The 2019 December Solstice, on the first day of winter in planet Earth's northern hemisphere and summer in the south, is at 4:19 Universal Time December 22. That's December 21 for North America, though. Celebrate with a timelapse animation of the Sun's seasonal progression through the sky. It was made with solargraph images from an ingenious array of 27 pinhole cameras. The first frame from the Solarcan camera matrix was recorded near December 21, 2018. The last frame in the series finished near June 21, 2019, the northern summer solstice. All 27 camera exposures were started at the same time, with a camera covered and removed from the array once a week. Viewed consecutively the pinhole camera pictures accumulate the traces of the Sun's daily path from winter (bottom) to summer (top) solstice. Traces of the Sun's path are reflected by the foreground Williestruther Loch, in the Scottish Borders. Just select the image or follow this link to play the entire 27 frame (gif) timelapse.

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2019   2020   2021   2022
Январь
Февраль
Март
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Сентябрь
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Декабрь
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.

Русский текст
Based on Astronomy Picture Of the Day
Публикации с ключевыми словами: solstice - солнцестояние
Публикации со словами: solstice - солнцестояние
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