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...

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

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

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

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...

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...

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...

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

Interstellar objects passing through the Solar System An interstellar object is an astronomical object in interstellar space that is not gravitationally...

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...

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...

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

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

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

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

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...

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

Atlas of the Messier Objects: Highlights of the Deep Sky. Cambridge University Press. p. 88. ISBN 978-0-521-89554-5. "SIMBAD Astronomical Database". Results...

In natural language and physical science, a physical object or material object (or simply an object or body) is a contiguous collection of matter, within...

A substellar object, sometimes called a substar, is an astronomical object, the mass of which is smaller than the smallest mass at which hydrogen fusion...

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...

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...

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

surveying. Astronomical instruments include: Alidade: device that allows one to sight a distant object Armillary sphere: model of objects in the sky consisting...