Explanation: Does the Sun return to the same spot on the sky every day?b No.b A more visual answer is an analemma, a composite of sky images taken at the same time and from the same place over a year.b At completion, you can see that the Sun makes a figure 8 on the sky. The featured unusual analemma does not, however, picture the Sun directly: it was created by looking in the opposite direction. All that was required was noting where the shadow of an edge of a house was in the driveway every clear day at the same time. Starting in March in Falcon, Colorado, USA, the photographer methodically marked the shadow's 1 pm location. In one frame you can even see the photographer himself. Although this analemma will be completed in 2025, you can start drawing your own driveway analemma -- using no fancy equipment -- as soon as today.

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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: analemma - analemma Publikacii so slovami: analemma - analemma
Sm. takzhe: Dva mira, dve analemmy Analemma s solnechnym zatmeniem Solnechnaya analemma v 2024 godu Analemma posle poludnya Analemma nad kamnyami Kallanish Solyarograficheskie analemmy Analemma nad Taibeem Vse publikacii na tu zhe temu >>