Dark Matter and Dark Energy Articles

• Physics
  Albert Einstein
  Quantum Physics
  Black Holes
  Sports Science
  Cosmic Rays
   
  

  Special relativity

  Special relativity inter-relates space and time in such a way that the speed of light is constant, and the theory leads to situations where two observers can disagree over time intervals and ... > more
• Satellites
  Pluto
  Moon
  Astronomy
  NASA
  Asteroids, Comets and Meteors
   
  

  Satellite

  A satellite is any object that orbits another object (which is known as its primary). Satellites can be manmade or may be naturally occurring such as moons, comets, asteroids, planets, stars, and ... > more
• Mars
  Solar System
  NASA
  Space Missions
  Space Exploration
  Astronomy
   
  

  Phobos (moon)

  Phobos is the larger and innermost of Mars' two moons, and is named after Phobos, son of Ares (Mars) from Greek Mythology. Phobos orbits closer to a major planet than any other moon in the solar ... > 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
• Black Holes
  Cosmic Rays
  Stars
  Astronomy
  Astrophysics
  Sun
   
  

  Gravitational wave

  In physics, in terms of a metric theory of gravitation, a gravitational wave is a fluctuation in the curvature of space-time which propagates as a wave, traveling outward from a moving object or ... > more
• Stars
  Astrophysics
  Galaxies
  Nebulae
  Extrasolar Planets
  Astronomy
   
  

  Stellar classification

  In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral ... > more
• Quantum Physics
  Physics
  Black Holes
  Quantum Computers
  Quantum Computing
  Spintronics
   
  

  Quantum mechanics

  Quantum mechanics is a fundamental branch of theoretical physics that replaces Newtonian mechanics and classical electromagnetism at the atomic and subatomic levels. It is the underlying framework of ... > more
• Moon
  Solar System
  Pluto
  Space Missions
  NASA
  Jupiter
   
  

  Moon

  The Moon is Earth's only natural satellite. The average distance from the Earth to the Moon is 384,399 kilometres (238,854 mi), which is about 30 times the diameter of the Earth. At this distance, it ... > more
• Quantum Physics
  Physics
  Spintronics
  Spintronics Research
  Black Holes
  Quantum Computers
   
  

  Introduction to quantum mechanics

  Quantum mechanics is a physical science dealing with the behaviour of matter and energy on the scale of atoms and subatomic particles / waves. It also forms the basis for the contemporary ... > 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

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