Astronomy Picture of Day: Sunrise Analemma# Astronomy - 天文
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Sunrise Analemma
Credit & Copyright: Anthony Ayiomamitis
Explanation: Astronomically speaking, at the Equinox on March 21, 0100 UT (March 20,
8:00 PM ET) the season changes. For this Equinox the Sun rises due east as it crosses the
celestial equator heading north. In celebration, consider this spectacular sunrise analemma!
An analemma is the figure-8 loop you get when you mark the position of the Sun at the same
time each day throughout the year. In this remarkable case, 38 separ
Credit & Copyright: Anthony Ayiomamitis
Explanation: Astronomically speaking, at the Equinox on March 21, 0100 UT (March 20,
8:00 PM ET) the season changes. For this Equinox the Sun rises due east as it crosses the
celestial equator heading north. In celebration, consider this spectacular sunrise analemma!
An analemma is the figure-8 loop you get when you mark the position of the Sun at the same
time each day throughout the year. In this remarkable case, 38 separ