NGC 2903
Encyclopedia
NGC 2903 is a barred spiral galaxy
about 30 million light-year
s away in the constellation
Leo
. It was discovered by William Herschel
who cataloged it on November 16, 1784. NGC 2905 is a bright star cloud within this galaxy.
Image:Ngc2903hst.jpg|An image of NGC 2903. Credit: HST/NASA
/ESA.
Image:AnttlersNGC2903 copy.jpg|A visible light image of NGC 2903. Credit: Scott Anttila.
Barred spiral galaxy
A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. Bars are found in approximately two-thirds of all spiral galaxies...
about 30 million light-year
Light-year
A light-year, also light year or lightyear is a unit of length, equal to just under 10 trillion kilometres...
s away in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Leo
Leo (constellation)
Leo is one of the constellations of the zodiac. Its name is Latin for lion. Its symbol is . Leo lies between dim Cancer to the west and Virgo to the east.-Stars:...
. It was discovered by William Herschel
William Herschel
Sir Frederick William Herschel, KH, FRS, German: Friedrich Wilhelm Herschel was a German-born British astronomer, technical expert, and composer. Born in Hanover, Wilhelm first followed his father into the Military Band of Hanover, but emigrated to Britain at age 19...
who cataloged it on November 16, 1784. NGC 2905 is a bright star cloud within this galaxy.
Additional images
Image:Ngc2903hst.jpg|An image of NGC 2903. Credit: HST/NASA
NASA
The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...
/ESA.
Image:AnttlersNGC2903 copy.jpg|A visible light image of NGC 2903. Credit: Scott Anttila.