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Encyclopedia > NGC 1705
NGC 1705, courtesy of NASA
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NGC 1705, courtesy of NASA

NGC 1705 is an irregular galaxy and dwarf galaxy about 2,000 lightyears across and part of the Pictor Constellation. It is classified as irregular because it lacks an orderly structure. It is estimated to have been formed 13 billion years ago and is approximately 17 million lightyears from the Earth[1]. The National Aeronautics and Space Administration (NASA), which was established in 1958, is the agency responsible for the public space program of the United States of America. ... An irregular galaxy is a galaxy that does not fall into the Hubble classification for galaxies. ... A dwarf galaxy is a small galaxy composed of up to several billion stars, a small number compared to our own Milky Ways 200-400 billion stars. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... Pictor, being Latin for easel, is one of the minor southern (declination -50 to -60) constellations. ... Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ...

NGC 1705
Observation data
(Epoch J2000.0)
Type Irr
Right ascension 4h 5413.9
Declination -53° 21′
Distance 17 million ly
Apparent magnitude (V) +11.8
Apparent dimensions (V) unknown
Constellation Pictor Constellation
Physical characteristics
Radius 1,000 lightyears
Absolute magnitude (V) Unknown
Notable features -
Other designations ESO 158-G013, h 2679, GC 937, AM 0453-532, IRAS 04531-5326,

PGC 16282 In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... The Hubble sequence is a classification of galaxy types developed by Edwin Hubble in 1936. ... Right ascension (RA; symbol α: Greek letter alpha) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ... In astronomy declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ... (Redirected from 1 E22 m) Categories: Orders of magnitude (length) ... Light year, a measure of distant Lightyear (band), a ska-punk band from the UK Buzz Lightyear, a character in the animated film Toy Story. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Light year, a measure of distant Lightyear (band), a ska-punk band from the UK Buzz Lightyear, a character in the animated film Toy Story. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standardized distance away. ...


  Results from FactBites:
 
Hubble Space Telescope, Thumbnail Views page 6 (1846 words)
NGC 1316: This beautiful, eerie silhouette of dark dust clouds against the glowing nucleus of the elliptical galaxy NGC 1316 may represent the aftermath of a 100 million year old cosmic collision between the elliptical and a smaller companion galaxy.
NGC 1569 dwarf: This nearby dwarf galaxy is a hotbed of vigorous star birth activity which blows huge bubbles that riddle the main body of the galaxy.
NGC 3132, Planetary Nebula: This expanding cloud of gas, surrounding a dying star, is known to amateur astronomers in the southern hemisphere as the "Eight-Burst" or the "Southern Ring" nebula.
Hubble Space Telescope, NGC 1705 (527 words)
At 17 million light-years away, the individual stars of the dwarf irregular galaxy NGC 1705 are out of range of all but the sharp eye of Hubble.
NGC 1705 is an ideal laboratory to conduct investigations on star formation history.
NGC 1705 is classified as a dwarf irregular because it is small and lacks any regular structure.
  More results at FactBites »

 
 

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