Astronomy Picture of the Day



Shadow Set

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zorg.ch
#84226 by @ 05.02.2006 00:00 - nach oben -
Shadow Set


Explanation:

A nearly full Moon
and planet Earth's shadow
set together in this scene
captured on January 13th from snowy Mt. Jelm, home of the

Wyoming Infrared Observatory
.

For early morning risers (and late to bed
astronomers),
shadow set in the western sky is a
daily
apparition
whose subtle beauty
is often overlooked in
favor of the more colorful eastern horizon.

Extending through the dense atmosphere,
Earth's setting shadow is seen
in this picture as a dark blue band along the distant horizon,
bounded above
by a pinkish glow or antitwilight arch.

Known as the Belt of Venus, the arch's
lovely color is due to
backscattering of reddened light from the rising Sun.

The setting Moon's light is
also reddened
by the long sight-line through the atmosphere.




Credit & Copyright
zorg.ch
#84233 by @ 05.02.2006 06:40 - nach oben -
Berühmerter After-WW3-Schlager: "Atompilze am Horizont"

SCNR, gseht würkli fascht wiä nuklear-explosion vo witem us.