International Space Station Articles

• 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
• Kuiper Belt
  Pluto
  Eris (Xena)
  Solar System
  Astronomy
  Extrasolar Planets
   
  

  Eris (dwarf planet)

  Eris is the largest known dwarf planet in the solar system. It is a trans-Neptunian object (TNO), orbiting the Sun in a region of space known as the scattered disc, just beyond the Kuiper belt, and ... > more
• Sun
  Solar Flare
  Northern Lights
  Astronomy
  Solar System
  Extrasolar Planets
   
  

  Sunspot

  A sunspot is a region on the Sun's surface (photosphere) that is marked by a lower temperature than its surroundings and intense magnetic activity, which inhibits convection, forming areas of low ... > more
• Nuclear Energy
  Physics
  Astrophysics
  Weapons Technology
  Energy Technology
  Solar Energy
   
  

  Nuclear fusion

  In physics, nuclear fusion is the process by which multiple nuclei join together to form a heavier nucleus. It is accompanied by the release or absorption of energy depending on the masses of the ... > more
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Mars
  Solar System
  Geomagnetic Storms
  Sun
   
  

  Meteorite

  A meteorite is a small extraterrestrial body that impacts the Earth's surface. While in space they are called meteoroids, and while falling through Earth's atmosphere they are called meteors. These ... > more
• Mars
  Solar System
  Astronomy
  Asteroids, Comets and Meteors
  Space Exploration
  Extrasolar Planets
   
  

  Extraterrestrial life

  Extraterrestrial life is life that may exist and originate outside the planet Earth, the only place in the universe currently known by humans to support life. Its existence is currently purely ... > more
• Pluto
  Kuiper Belt
  Extrasolar Planets
  Solar System
  Eris (Xena)
  Astronomy
   
  

  Definition of planet

  The definition of "planet" has for some time been the subject of intense debate. Although the word dates back thousands of years, no officially decreed scientific definition of "planet" existed ... > 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
• Asteroids, Comets and Meteors
  NASA
  Mars
  Space Exploration
  Space Missions
  Pluto
   
  

  Torino Scale

  The Torino Scale is a method for categorizing the impact hazard associated with near-Earth objects (NEOs) such as asteroids and ... > more
• Sun
  Solar Flare
  Asteroids, Comets and Meteors
  Black Holes
  Satellites
  Space Exploration
   
  

  Earth's magnetic field

  Earth's magnetic field (and the surface magnetic field) is approximately a magnetic dipole, with one pole near the geographic north pole and the other near the geographic south pole. The locations of ... > more

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