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Астронет: Астрономическая картинка дня Апрельская Луна и Плеяды http://variable-stars.ru/db/msg/1205203/eng |
Credit & Copyright: Jerry Lodriguss
(Catching the Light)
Explanation:
After parting with the Sun
late last week, April's moon graced the early evening sky.
Its slender,
three-day-old crescent shares
this
lovely telescopic
skyview with the nearby
Pleiades
star cluster.
Here, the Moon's sunlit
crescent
is overexposed while the
lunar terminator, or boundary between lunar night and
day, is jagged with craters and mountains.
Lunar surface features can also be seen in the
dim lunar night illuminated
by earthshine - light
from sunlit planet Earth.
The sister stars of the Pleiades are grouped at
the right, but their alluring blue reflection nebulae, usually
highlighted in telescopic images of
the cluster, are washed-out in the much
brighter
moonlight.
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.