Messier 108: Difference between revisions

Revision as of 02:50, 27 August 2007

v t e Galaxies
Morphology	Disc Lenticular barred unbarred Spiral anemic barred flocculent grand design intermediate Magellanic unbarred Dwarf galaxy elliptical irregular spheroidal spiral Elliptical galaxy cD Irregular barred Peculiar Ring Polar
Structure	Active galactic nucleus Bar Bulge Central massive object Galactic Center Dark matter halo Disc Disc galaxy Halo corona Galactic plane Galactic ridge Interstellar medium Protogalaxy Galaxy filament Spiral arm Supermassive black hole Ultramassive
Active nuclei	Blazar LINER Markarian Quasar BL Lacertae object Radio X-shaped DRAGN Relativistic jet Seyfert
Energetic galaxies	Lyman-alpha emitter Lyman-break Luminous infrared ULIRG HLIRG ELIRG Starburst blue compact dwarf pea faint blue Luminous infrared galaxy Hot dust-obscured Green bean galaxy Hanny's Voorwerp Wolf-Rayet galaxy
Low activity	Low surface brightness Ultra diffuse Dark galaxy Red nugget Blue Nugget Dead disk
Interaction	Field Galactic tide Groups and clusters group cluster Brightest cluster galaxy fossil group Interacting merger collision cannibalism Jellyfish Satellite Stellar stream Superclusters Walls Voids and supervoids void galaxy
Lists	Galaxies Galaxies named after people Largest Nearest Polar-ring Ring Spiral Groups and clusters Large quasar groups Quasars List of the most distant astronomical objects Starburst galaxies Superclusters Voids
See also	Extragalactic astronomy Galactic astronomy Galactic coordinate system Galactic habitable zone Galactic magnetic fields Galactic orientation Galactic quadrant Galaxy color–magnitude diagram Galaxy formation and evolution Galaxy rotation curve Gravitational lens Gravitational microlensing Illustris project Intergalactic dust Intergalactic stars Intergalactic travel Population III stars Galaxy X (galaxy)
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Messier 108 (also known as NGC 3556) is an edge-on spiral galaxy in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 or 1782.^[1]

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References

^ Kepple, George Robert (1998). The Night Sky Observer's Guide, Volume 2. Willmann-Bell, Inc. p. 399. ISBN 0-943396-60-3. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)

This galaxy-related article is a stub. You can help Wikipedia by expanding it.

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 [[Category:Ursa Major constellation]]
 [[Category:Messier objects|108]]
-[[Category:NGC objects|3556]]
+[[Category:NGC objects|Messier 108]]
 [[Category:UGC objects|06225]]
 [[Category:PGC objects|34030]]

Revision as of 02:50, 27 August 2007

See also

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References