Outline of astronomy

The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the universe beyond Earth, including its formation and development, and the evolution, physics, chemistry, meteorology, and motion of celestial objects (such as galaxies, planets, etc.)

and phenomena that originate outside the atmosphere of Earth (such as the cosmic background radiation).

Astronomy also intersects with biology, as astrobiology, studying potential life throughout the universe.

Astronomy can be described as all the following: History of astronomy Astronomical object Sun Small Solar System body Variable star Supernova Black hole Obsolete constellations including Ptolemy's Argo Navis Anser Space agencies 1 Preceded by the Soviet space program

Mauna Kea in Hawaii is one of the world's premier observatory sites. Pictured is the W. M. Keck Observatory , an optical interferometer .
The Sun, the planets, their moons, and several trans-Neptunian objects The Sun Mercury Venus The Moon Earth Mars Phobos and Deimos Ceres The main asteroid belt Jupiter Moons of Jupiter Rings of Jupiter Saturn Moons of Saturn Rings of Saturn Uranus Moons of Uranus Rings of Uranus Neptune Moons of Neptune Rings of Neptune Pluto Moons of Pluto Haumea Moons of Haumea Makemake S/2015 (136472) 1 The Kuiper Belt Eris Dysnomia The Scattered Disc The Hills Cloud The Oort Cloud
Artist's representation of a black hole.
The Milky Way Galaxy
The Milky Way Galaxy