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nebula
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Cat's Eye Nebula Carina Nebula Southern Ring Nebula star-forming region in the Orion Nebula Crab Nebula Lagoon Nebula (M8, NGC 6523) in the constellation Sagittarius.This bright diffuse nebula is so large that light from the stars involved does not penetrate its boundaries, and the bright nebula appears to be seen against a larger, darker one. Orion Nebula (M42) The inner part of the 30 Doradus Nebula, the most luminous nebula in the entire Local Group of galaxies. It is located in the Large Magellanic Cloud. Messier 20, the Trifid Nebula Eagle Nebula
For Students
Planetary Nebula Hen 1357, as photographed by the Hubble Space Telescope. It is located about 18,000 light-years from Earth and lies in the constellation Ara the Altar. This expanding cloud of gas was expelled from an aging star in the nebula's centre.
nebula summary
Quizzes
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
M101 (NGC 5457, The Pinwheel Galaxy). Hubble Space Telescope image of face-on spiral galaxy Messier 101 (M101). Largest most detailed photo of a spiral galaxy that has ever been released from Hubble. Created from 1994-2003
Everything in Space in a 25-Minute Quiz
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Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)
How Fast Is the Universe Expanding?
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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
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Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
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nebula: Facts & Related Content

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Facts

Also Known As gaseous nebula • galactic nebula

Photos and Videos

Cat's Eye Nebula
Carina Nebula
Southern Ring Nebula
star-forming region in the Orion Nebula
Crab Nebula
Lagoon Nebula (M8, NGC 6523) in the constellation Sagittarius.This bright diffuse nebula is so large that light from the stars involved does not penetrate its boundaries, and the bright nebula appears to be seen against a larger, darker one.
Orion Nebula (M42)
The inner part of the 30 Doradus Nebula, the most luminous nebula in the entire Local Group of galaxies. It is located in the Large Magellanic Cloud.
Messier 20, the Trifid Nebula
Eagle Nebula
Learn about Lord Rosse's Birr Leviathan telescope and its various important discoveries, the most important being the detailed observations of many nebulae at Birr Castle, Ireland
See All Videos and Images →

Related Topics and References

Topics
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Key People

Isaac Roberts
British astronomer
William Herschel
William Herschel
British-German astronomer
Edwin Hubble
Edwin Hubble
American astronomer
John Herschel
Sir John Herschel, 1st Baronet
English astronomer
Charles Messier
French astronomer
I.S. Bowen
American astrophysicist

Related Quizzes and Features

Quiz
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
M101 (NGC 5457, The Pinwheel Galaxy). Hubble Space Telescope image of face-on spiral galaxy Messier 101 (M101). Largest most detailed photo of a spiral galaxy that has ever been released from Hubble. Created from 1994-2003
Everything in Space in a 25-Minute Quiz
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy