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An example of space weather: Aurora australis in the Earth's atmosphere observed by Space Shuttle Discovery, May 1991. Space weather is the environmental condition within the Solar System, including the solar wind. It is studied especially surrounding the Earth, including conditions from the magnetosphere to the ionosphere and thermosphere.
List of Solar System objects; List of gravitationally rounded objects of the Solar System; List of Solar System objects most distant from the Sun; List of Solar System objects by size; Lists of geological features of the Solar System; List of natural satellites (moons) Lists of small Solar System bodies; Lists of comets; List of meteor showers ...
Pages in category "Solar phenomena" The following 81 pages are in this category, out of 81 total. This list may not reflect recent changes. ...
The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star; The inner Solar System and the terrestrial planets. 2021 PH27; Mercury. Mercury-crossing minor planets; Venus. Venus-crossing ...
Solar phenomena (2 C, 81 P) Pages in category "Stellar phenomena" The following 65 pages are in this category, out of 65 total. This list may not reflect recent ...
The Solar System remains in a relatively stable, slowly evolving state by following isolated, gravitationally bound orbits around the Sun. [28] Although the Solar System has been fairly stable for billions of years, it is technically chaotic, and may eventually be disrupted. There is a small chance that another star will pass through the Solar ...
This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory.
List of solar storms; Aurora, a luminous phenomenon induced by ionization and excitation of constituents of a planet's upper atmosphere; Heliophysics, the scientific study of the Sun and region of space affected by the Sun; Magnetic cloud, a transient disturbance in the solar wind; Solar cycle, an 11-year cycle of sunspot activity