Kuiper Belt Articles

• Stars
  Jupiter
  Sun
  Extrasolar Planets
  Astronomy
  Solar Flare
   
  

  Red supergiant

  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 physical size, although they are not the most massive. ... > more
• Saturn
  Solar System
  Astronomy
  Space Exploration
  Space Probes
  Moon
   
  

  Saturn

  Saturn is the sixth planet from the Sun. It is a gas giant, the second-largest planet in the solar system after Jupiter. Saturn has a prominent system of rings, consisting of mostly ice particles ... > more
• Extrasolar Planets
  Stars
  Solar System
  Astronomy
  Sun
  Mars
   
  

  Planetary habitability

  Planetary habitability is the measure of an astronomical body's potential to develop and sustain life. It is generally assumed that any extraterrestrial life that might exist will be based on the ... > more
• Extrasolar Planets
  Kuiper Belt
  Stars
  Astronomy
  Pluto
  Eris (Xena)
   
  

  Extrasolar planet

  An extrasolar planet, or exoplanet, is a planet beyond the Solar System. As of 11 November 2006, 209 extrasolar planets have been discovered. Known exoplanets are members of planetary systems that ... > more
• Moon
  Solar System
  Pluto
  Space Missions
  NASA
  Jupiter
   
  

  Moon

  The Moon is Earth's only natural satellite. The average distance from the Earth to the Moon is 384,399 kilometres (238,854 mi), which is about 30 times the diameter of the Earth. At this distance, it ... > more
• Venus
  Solar System
  NASA
  Space Missions
  Space Exploration
  Astronomy
   
  

  Venus

  Venus is the second-closest planet to the Sun, orbiting it every 224.7 Earth days. It is the brightest object in the night sky, except for the Moon, reaching an apparent magnitude of -4.6. Venus ... > more
• Asteroids, Comets and Meteors
  Astronomy
  Solar System
  Sun
  Solar Flare
  Space Exploration
   
  

  Comet

  A comet is a small body in the solar system that orbits the Sun and (at least occasionally) exhibits a coma (or atmosphere) and/or a tail - both primarily from the effects of solar radiation upon the ... > more
• Solar Flare
  Cosmic Rays
  Sun
  Asteroids, Comets and Meteors
  NASA
  Satellites
   
  

  Van Allen radiation belt

  The Van Allen radiation belt is a torus of energetic charged particles (i.e. a plasma) around Earth, trapped by Earth's magnetic field. When the belts "overload", particles strike the upper ... > more
• Mars
  Extrasolar Planets
  Solar System
  NASA
  Space Missions
  Space Exploration
   

  Astrobiology

  Astrobiology is the study of life in space, combining aspects of astronomy, biology and geology. It is focused primarily on the study of the origin, distribution and evolution of ... > more
• Stars
  Galaxies
  Astronomy
  Extrasolar Planets
  Sun
  Cosmic Rays
   
  

  Alpha Centauri

  Alpha Centauri (α Cen / α Centauri) is the brightest star system (a triple star system) in the southern constellation of Centaurus, and contains the fourth brightest star in the night ... > more

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