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Астронет: Астрономическая картинка дня Голубая отражательная туманность в Орионе NGC 1977 http://variable-stars.ru/db/msg/1161818/eng |
Credit & Copyright: Anglo-Australian Telescope
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Explanation:
The
Orion
Nebula is visible to the unaided eye as a fuzzy patch near the
famous belt of three stars in the
constellation Orion. The above picture
captures a part of the
Orion Nebula that primarily reflects light from
bright Orion stars. This
reflection nebula
appears blue because the blue light from the neighboring stars scatters
more efficiently from nebula gas than does red light. The dark lanes are
composed of mostly
interstellar dust
- fine needle-shaped carbon grains.
Information:
The
Scale of the Universe Debate in April 1996
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.