Trifid Nebula
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Trifid Nebula
Trifid Nebula (M20, NGC 6514), optical image. Part of this nebula (cloud of gas and dust) glows red due to the ionisation of the hydrogen gas by the hot and bright stars born at its centre. This is called an emission nebula. The M20 emission nebula is partially obscured by a dark nebula (B85) in front of it, causing the three-lobed appearance. The M20 nebula is not all ionised, with parts of it reflecting starlight as a blue colour (left). The Trifid Nebula lies around 9000 light years from Earth in the constellation Sagittarius
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Media ID 6332657
© DR LUKE DODD/SCIENCE PHOTO LIBRARY
Astrophysical Astrophysics Dark Nebula Dust Emission Nebula Ionised Hydrogen Nebula Night Sky Optical Reflection Nebula Sagittarius Telescope Trifid Nebula Universe Visible Ngc 6514
EDITORS COMMENTS
This print showcases the mesmerizing Trifid Nebula, also known as M20 and NGC 6514. Located approximately 9000 light years away from Earth in the constellation Sagittarius, this optical image captures the ethereal beauty of a cloud of gas and dust illuminated by hot and bright stars at its core. The red glow emanating from certain parts of the nebula is a result of hydrogen gas being ionized by these stellar powerhouses, creating what is known as an emission nebula. However, this celestial wonder is not without its secrets. A dark nebula called B85 partially obscures the M20 emission nebula, giving it a distinctive three-lobed appearance. Amidst this interplay between light and shadow, some sections of the Trifid Nebula reflect starlight, casting a serene blue hue that adds to its enchanting allure. This awe-inspiring photograph serves as a reminder of our place in the vastness of space and invites us to contemplate the wonders that lie beyond our reach. With each detail captured by powerful telescopes like those used in astrophysics research, we are granted glimpses into distant corners of our universe where cosmic phenomena like emission nebulas, reflection nebulas, and dark nebulas continue to captivate both scientists and stargazers alike.
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