Cosmology Articles

• Cosmic Rays
  Quantum Physics
  Physics
  Black Holes
  Sports Science
  Detectors
   
  

  Particle accelerator

  A particle accelerator is a device that uses electric fields to propel electrically charged particles to high speeds and magnetic fields to contain them. An ordinary CRT televison set is a simple ... > more
• Astrophysics
  Optics
  Physics
  Chemistry
  Sports Science
  Graphene
   
  

  Spectroscopy

  Spectroscopy is the study of spectra, that is, the dependence of physical quantities on frequency. Spectroscopy is often used in physical and analytical chemistry for the identification of ... > 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
• Sun
  Black Holes
  Moon
  Asteroids, Comets and Meteors
  Solar Flare
  Pluto
   
  

  Precession

  Precession refers to a change in the direction of the axis of a rotating object. In certain contexts, "precession" may refer to the precession that the Earth experiences, the effects of this type of ... > more
• Black Holes
  Sun
  Solar Flare
  Asteroids, Comets and Meteors
  Space Missions
  Space Exploration
   
  

  Geomagnetic reversal

  A geomagnetic reversal is a change in the orientation of Earth's magnetic field such that the positions of magnetic north and magnetic south become interchanged. The Earth's magnetic north pole is ... > 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
• 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
• Space Missions
  NASA
  Mars
  Space Exploration
  Solar System
  Space Probes
   
  

  Phoenix (spacecraft)

  The Phoenix is a planned multi-agency Mars lander, headed by the University of Arizona's Lunar and Planetary Laboratory, under the direction of NASA, scheduled to launch on August 3, 2007. It is a ... > more
• Sun
  Solar Flare
  Astronomy
  Solar System
  Moon
  Northern Lights
   
  

  Solar eclipse

  A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partially obscuring Earth's view of the Sun. This configuration can only occur during a New Moon, when the ... > more
• Solar Flare
  Sun
  Astronomy
  Northern Lights
  Astrophysics
  Cosmic Rays
   
  

  Corona

  In astronomy, a corona is the luminous plasma "atmosphere" of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also ... > more

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