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ShareThe Sun is the spectral type G2V yellow star at the center of our solar system.
About 5 million tons of matter is converted by the Sun's core into energy every second, producing neutrinos and solar radiation.
For more information about the topic Sun, read the full article at Wikipedia.org, or see the following related articles:
Luminosity — In general physics, luminosity (more properly called luminance) is the density of luminous intensity in a given ... > read more
Mercury (planet) — Mercury is the innermost and smallest planet in the solar system, orbiting the Sun once every 88 days. It ranges in brightness from about −2.0 ... > read more
Red giant — A red giant is a large non-main sequence star of stellar classification K or M; so-named because of the reddish appearance of the cooler giant stars. ... > read more
Phobos (moon) — Phobos is the larger and innermost of Mars' two moons, and is named after Phobos, son of Ares (Mars) from Greek Mythology. Phobos orbits closer to a ... > read more
Red supergiant star — Red supergiants are supergiant stars of spectral type K-M and a luminosity class of I. They are the largest stars in the universe in terms of ... > read more
Light-year — A light-year or lightyear (symbol: ly) is a unit of measurement of length, specifically the distance light travels in a vacuum in one year. While ... > read more
Blue supergiant star — Blue supergiants are supergiant stars (class I) of spectral type O. They are extremely hot and bright, with surface temperatures of between 20,000 - ... > read more
Cepheid variable — A Cepheid variable or Cepheid is a member of a particular class of variable stars, notable for a fairly tight correlation between their period of ... > read more
Alpha Centauri — Alpha Centauri (α Cen / α Centauri) is the brightest star system (a triple star system) in the southern constellation of Centaurus, and ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Sun at Wikipedia.org. See the Wikipedia copyright page for more details.
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