Kuiper Belt Articles

• Black Holes
  Astronomy
  Astrophysics
  Galaxies
  Stars
  Solar Flare
   
  

  Black hole

  A black hole is a concentration of mass great enough that the force of gravity prevents anything from escaping it except through quantum tunnelling behaviour (known as Hawking Radiation). The ... > more
• Black Holes
  Cosmology
  Astronomy
  Satellites
  Space Exploration
  Asteroids, Comets and Meteors
   
  

  Introduction to general relativity

  General relativity (GR) is the geometrical theory of gravitation published by Albert Einstein in 1916. It unifies Einstein's earlier special relativity with Sir Isaac Newton's law of universal ... > more
• Black Holes
  Cosmology
  Space Station
  NASA
  Astronomy
  Space Probes
   

  Presentism (philosophy of time)

  In the philosophy of time, presentism is the belief that neither the future nor the past exists. The opposite of presentism is 'eternalism', which is a belief in things that are past and things that ... > more
• Stars
  Galaxies
  Astronomy
  Astrophysics
  Nebulae
  Black Holes
   
  

  Star cluster

  Star clusters are groups of stars which are gravitationally bound. Two distinct types of star cluster can be distinguished: globular clusters are tight groups of hundreds of thousands of very old ... > more
• Cosmology
  Big Bang
  Astrophysics
  Black Holes
  Space Telescopes
  Astronomy
   
  

  Multiverse

  A multiverse (or meta-universe) is the hypothetical set of multiple possible universes, including our universe, which comprise the absolute whole of physical ... > more
• Mars
  NASA
  Space Exploration
  Space Missions
  Solar System
  Space Probes
   
  

  Mars Exploration Rover

  NASA's Mars Exploration Rover (MER) Mission is an unmanned Mars exploration mission that sent two robotic rovers Spirit and Opportunity to explore the Martian surface and geology. Primary among the ... > more
• Astrophysics
  Cosmology
  Big Bang
  Dark Matter
  Astronomy
  Black Holes
   
  

  Big Bang

  The Big Bang is the cosmological model of the universe whose primary assertion is that the universe has expanded into its current state from a primordial condition of enormous density and ... > 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
• Space Telescopes
  Space Exploration
  Astronomy
  NASA
  Satellites
  Astrophysics
   
  

  Radio telescope

  A radio telescope is a form of radio receiver used in astronomy. In contrast to an "ordinary" telescope, which receives visible light, a radio telescope "sees" radio waves emitted by radio sources, ... > more
• Galaxies
  Astrophysics
  Cosmology
  Astronomy
  Big Bang
  Space Telescopes
   
  

  Large-scale structure of the cosmos

  In physical cosmology, the term large-scale structure refers to the characterization of observable distributions of matter and light on the largest scales (typically on the order of billions of ... > more

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