Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2015 August 29
The Seagull Nebula
Image Credit & Copyright: Dieter Willasch (Astro-Cabinet)
Explanation: A broad expanse of glowing gas and dust presents a bird-like visage to astronomers
from planet Earth, suggesting its popular moniker - The Seagull Nebula.
This portrait of the cosmic bird covers a 1.6 degree wide swath across the plane of the Milky Way,
near the direction of Sirius, alpha star of the constellation Canis Major. Of course,
the region includes objects with other
catalog designations: notably
NGC 2327, a compact, dusty emission region with an embedded massive star that forms the bird's head (aka the Parrot Nebula, above center). Dominated by the
reddish glow of atomic hydrogen, the complex of gas and dust clouds with bright young stars spans over 100 light-years at an estimated 3,800 light-year distance.
Tomorrow's picture: ancient stars
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