Dwarf Planet Pluto Articles

• Galaxies
  Stars
  Eris (Xena)
  Astronomy
  Astrophysics
  Kuiper Belt
   
  

  Local Group

  The Local Group (also called M31 group or the Andromeda group) is the group of galaxies that includes our galaxy, the Milky Way. The group comprises over 30 galaxies, with its gravitational center ... > more
• Space Station
  NASA
  Space Exploration
  Space Missions
  Space Probes
  Astronomy
   
  

  Space Shuttle Columbia

  Space Shuttle Columbia (NASA Orbiter Vehicle Designation: OV-102) was the first space shuttle in NASA's orbital fleet. Its first mission, STS-1, lasted from April 12 to April 14, 1981. On February 1, ... > more
• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Global Warming
  Early Climate
   
  

  Volcano

  A volcano is an opening (or rupture) in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface. Volcanic activity involving the extrusion of ... > more
• Nebulae
  Stars
  Space Telescopes
  Astrophysics
  Galaxies
  NASA
   
  

  Orion Nebula

  The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a glowing emission nebula with a greenish hue and is situated below Orion's Belt. It is one of the brightest nebulae visible to the ... > more
• Astronomy
  Solar System
  Extrasolar Planets
  Mars
  Sun
  Nebulae
   
  

  Johannes Kepler

  Johannes Kepler (December 27, 1571 - November 15, 1630), a key figure in the scientific revolution, was a German Lutheran mathematician, astrologer, and astronomer. Kepler lived in an era when there ... > more
• Black Holes
  Astronomy
  Astrophysics
  Space Telescopes
  Galaxies
  Space Exploration
   
  

  Quasar

  A quasar is an astronomical source of electromagnetic energy, including light, which shows a very high redshift. The scientific consensus is that this high redshift is the result of Hubble's law. ... > more
• Nebulae
  Stars
  Galaxies
  Astrophysics
  Astronomy
  Extrasolar Planets
   
  

  Planetary nebula

  A planetary nebula is an astronomical object consisting of a glowing shell of gas and plasma formed by certain types of stars at the end of their lives. They are in fact unrelated to planets; the ... > more
• Galaxies
  Astronomy
  Astrophysics
  Stars
  NASA
  Space Telescopes
   
  

  Andromeda Galaxy

  TThe Andromeda Galaxy (also known as Messier 31, M31, or NGC 224; older texts often called it the Andromeda Nebula) is a spiral galaxy approximately 2.5 million light-years away in the constellation ... > more
• Space Station
  NASA
  Space Missions
  Space Exploration
  Space Probes
  Astronomy
   
  

  International Space Station

  The International Space Station (ISS) is a joint project of five space agencies. The ISS has seen the first space tourist, Dennis Tito, who spent 20 million USD to fly aboard a Russian supply mission ... > more
• Solar Flare
  Sun
  Northern Lights
  Asteroids, Comets and Meteors
  Black Holes
  Satellites
   
  

  Magnetosphere

  A magnetosphere is the region around an astronomical object in which phenomena are dominated or organized by its magnetic field. Earth is surrounded by a magnetosphere, as are the magnetized planets ... > more

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