Credit & Copyright: Paul Mortfield,
Stefano Cancelli
Explanation:
Menacing
flying
forms and garish colors are a mark of the Halloween season.
They also stand out in
this
cosmic close-up of the eastern Veil Nebula.
The Veil Nebula itself is a
large supernova remnant, the expanding
debris cloud from the death explosion of a massive star.
While the Veil is roughly circular in shape covering nearly 3 degrees
on the sky in the constellation Cygnus, this portion of the eastern
Veil spans only 1/2 degree, about the apparent size
of the Moon.
That translates to 12 light-years at the Veil's
estimated distance of 1,400 light-years from planet Earth.
In this composite of image data recorded through
narrow band filters,
emission from hydrogen atoms in the remnant is shown in red with strong
emission from oxygen atoms in greenish hues.
In the western part of the Veil lies another seasonal apparition,
the Witch's Broom.
Take a survey on
Aesthetics and Astronomy.
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Publikacii s klyuchevymi slovami:
Veil Nebula - supernova remnant - NGC 6960 - tumannost' Vual'
Publikacii so slovami: Veil Nebula - supernova remnant - NGC 6960 - tumannost' Vual' | |
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