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Credit & Copyright: Cenk E. Tezel and
Tunç Tezel
(TWAN)
Explanation:
If you went outside at exactly the same time every day and took a
picture that included the Sun, how would the Sun's position change?
With great planning
and effort, such a
series of images can be taken.
The figure-8 path the Sun follows over
the course of a year
is called an analemma.
Yesterday, the
Winter Solstice
day in Earth's northern hemisphere, the Sun appeared at the bottom of the analemma.
Analemmas created from different latitudes would appear
at least slightly different, as well as analemmas created at a different time each day.
With even greater planning and effort,
the series can include a
total eclipse of the Sun as one of the images.
Pictured is such a total solar eclipse
analemma or Tutulemma -
a term coined by the photographers based on the
Turkish word for eclipse.
The above composite image sequence was recorded from
Turkey starting
in 2005.
The base image for the sequence is from the
total phase of a solar eclipse as viewed
from Side,
Turkey on 2006 March 29.
Venus was also visible during totality, toward the lower right.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: analemma - solar eclipse - solstice
Publications with words: analemma - solar eclipse - solstice
See also: