Astronomy Articles

• Cosmic Rays
  Black Holes
  Detectors
  Space Telescopes
  Medical Technology
  Medical Imaging
   
  

  X-ray

  X-rays are a form of electromagnetic radiation with a wavelength in the range of 10 to 0.1 nanometers, corresponding to frequencies in the range 30 to 3000 PHz. X-rays are primarily used for ... > more
• 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
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Atmosphere
  Earth Science
  Geology
  Mars
   
  

  Meteor

  A meteor is the visible path of a meteoroid that enters the Earth's (or another body's) atmosphere, commonly called a shooting star or falling star. A meteor is a meteoroid that has entered the ... > more
• Quantum Physics
  Physics
  Cosmic Rays
  Black Holes
  Spintronics
  Sun
   
  

  Subatomic particle

  A subatomic particle is a particle smaller than an atom: it may be elementary or composite. Particle physics and nuclear physics concern themselves with the study of these particles, their ... > more
• Moon
  Space Missions
  NASA
  Space Exploration
  Space Probes
  Space Station
   
  

  Neil Armstrong

  Neil Alden Armstrong (born August 5, 1930) is a former American astronaut, test pilot, naval aviator. He is famous as the first human ever to step foot on the ... > more
• Sports Science
  Ancient Civilizations
  Fossils
  Solar Flare
  Technology
  Sun
   
  

  Antikythera mechanism

  The Antikythera mechanism is an ancient mechanical analog computer (as opposed to digital computer) designed to calculate astronomical positions. It was discovered in the Antikythera wreck off the ... > 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
• Black Holes
  Astrophysics
  Cosmology
  Astronomy
  Big Bang
  Stars
   
  

  Stephen Hawking

  Stephen William Hawking, CH, CBE, FRS (born 8 January 1942) is a theoretical physicist. Hawking is the Lucasian Professor of Mathematics at the University of Cambridge, and a Fellow of Gonville and ... > more
• Black Holes
  Astrophysics
  Astronomy
  Galaxies
  Cosmology
  Dark Matter
   
  

  Holographic principle

  The holographic principle is a property of quantum gravity theories which resolves the black hole information paradox within string theory. First proposed by Gerard 't Hooft, it was given a precise ... > more
• Stars
  Extrasolar Planets
  Astronomy
  Galaxies
  Black Holes
  Cosmology
   
  

  Star Trek

  Star Trek is an American science fiction franchise. In addition to six television programs including the original 1966 Star Trek, the same fictional universe created by Gene Roddenberry is the ... > more

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