An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists...

type of astronomical object. List of Solar System objects List of gravitationally rounded objects of the Solar System List of Solar System objects most distant...

This article documents the most distant astronomical objects discovered and verified so far, and the time periods in which they were so classified. For...

astronomical object is a meteorological optical phenomenon, in which light rays are bent to produce distorted or multiple images of an astronomical object...

Various unknown astronomical objects have been hypothesized throughout recorded history. For example, in the 5th century BCE, the philosopher Philolaus...

The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas...

A deep-sky object (DSO) is any astronomical object that is not an individual star or Solar System object (such as Sun, Moon, planet, comet, etc.). The...

This is a list of astronomical objects named after people. While topological features on Solar System bodies — such as craters, mountains, and valleys...

names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are discovered...

Sun. The International Astronomical Union (IAU) initially classified Sedna as a member of the scattered disc, a group of objects sent into high-eccentricity...

Retrieved 3 December 2019. Arthur A. Hoag (1950). "A peculiar object in Serpens". The Astronomical Journal. 55: 170. Bibcode:1950AJ.....55Q.170H. doi:10.1086/106427...

dictionary. An extrasolar object (from Latin extra 'outside or beyond' and solaris 'of the Sun') is an astronomical object that exists outside the Solar...

one of many long-period planetary objects yet to be discovered." In 1943, in the Journal of the British Astronomical Association, Kenneth Edgeworth hypothesized...

(abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies...

Observational astronomy is focused on acquiring data from observations of astronomical objects. This data is then analyzed using basic principles of physics. Theoretical...

magnitude (m) is a measure of the brightness of a star, astronomical object or other celestial objects like artificial satellites. Its value depends on its...

Astronomical nutation is a phenomenon which causes the orientation of the axis of rotation of a spinning astronomical object to vary over time. It is caused...

An interstellar object is an astronomical object in interstellar space that is not gravitationally bound to a star. Applicable objects include asteroids...

Tides Zodiac Astronomical object Solar System Geology of solar terrestrial planets List of Solar System objects List of Solar System objects by size Galilean...

Messier objects Wu, Zhen-Yu; et al. (November 2009), "The orbits of open clusters in the Galaxy", Monthly Notices of the Royal Astronomical Society,...

Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky...

There are a number of planetary objects proposed in religion, astrology, ufology and pseudoscience whose existence is not supported by scientific evidence...

Astronomical Society of Canada. 71: 281. Bibcode:1977JRASC..71..281C. Retrieved 1 March 2021. "William Herschel's Observations of the Messier Objects"...

together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry. The...

1764, and was the first Messier object to be discovered by Charles Messier himself. Messier originally mistook the object for a nebula without stars. This...

In astronomy, a conjunction occurs when two astronomical objects or spacecraft appear to be close to each other in the sky. This means they have either...

David C. (2001). "From Kuiper Belt Object to Cometary Nucleus: The Missing Ultrared Matter" (PDF). The Astronomical Journal. 123 (2): 1039–1049. Bibcode:2002AJ...

the distances to celestial objects. A direct distance measurement of an astronomical object is possible only for those objects that are "close enough" (within...

distance indicator for planetary nebulae", Monthly Notices of the Royal Astronomical Society, 455 (2): 1459–1488, arXiv:1504.01534, Bibcode:2016MNRAS.455...

In astronomy, seeing is the degradation of the image of an astronomical object due to turbulence in the atmosphere of Earth that may become visible as...