Astronomical object

from Wikipedia, the free encyclopedia

An astronomical object (also celestial object or special celestial body ) is an object in space that is studied by astronomy and astrophysics .


The consistency of the objects is predominant

  • gaseous - stars of various kinds, star shells, gas planets, gas nebulae, interstellar matter and molecular clouds, halos, ...
  • liquid - the interior of large gas planets
  • solid - rocky planets, moons, asteroids, comets, meteoroids, ...
  • dusty - dark clouds, planetary rings, interplanetary dust
  • composite systems - star clusters, galaxies, galaxy clusters
  • Empty spaces - voids between the galaxy clusters
  • unexplained - e.g. B. Black holes, dark matter.

Heavenly bodies

Observation in the solar system Observation outside the solar system
Single objects Systems Structures

Cosmological objects

These are objects of cosmology , such as the basic structures of the universe ( filaments and voids ) and - so far - hypothetical or not yet sufficiently clarified in their nature objects, such as black holes or dark matter .

Classification according to distance

An orientation of individual areas of astronomy:

Objects close to the earth :

Solar objects :

Extrasolar objects : objects outside the boundaries of the solar system ( deep sky objects).

Position diagram of astronomical objects

Map of the observable universe with the astronomical objects known today. Celestial bodies appear enlarged to reveal their shape.

Web links

Commons : Astronomical Objects  - collection of images, videos and audio files
Wiktionary: Celestial bodies  - explanations of meanings, word origins, synonyms, translations