Dark Matter and Dark Energy Articles

• Mars
  Solar System
  Space Exploration
  Asteroids, Comets and Meteors
  Extrasolar Planets
  NASA
   
  

  Extraterrestrial life

  Extraterrestrial life is life that may exist and originate outside the planet Earth, the only place in the universe currently known by humans to support life. Its existence is currently purely ... > 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
• Solar Flare
  Sun
  Northern Lights
  Solar System
  Astronomy
  Cosmic Rays
   
  

  Solar flare

  A solar flare is a violent explosion in the Sun's atmosphere with an energy equivalent to tens of millions of hydrogen bombs. Solar flares take place in the solar corona and chromosphere, heating ... > more
• Solar System
  Pluto
  Kuiper Belt
  NASA
  Space Exploration
  Asteroids, Comets and Meteors
   
  

  Ceres (dwarf planet)

  Ceres, also designated 1 Ceres or (1) Ceres, is the smallest dwarf planet in the Solar System and the only one located in the main asteroid belt. With a diameter of about 950 km, Ceres is by far the ... > more
• Saturn
  Solar System
  Space Exploration
  Space Probes
  Moon
  Pluto
   
  

  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
• Quantum Physics
  Physics
  Chemistry
  Inorganic Chemistry
  Graphene
  Cosmic Rays
   
  

  Atom

  In chemistry and physics, an atom is the smallest particle of a chemical element that retains its chemical properties. An atom consists of a dense nucleus of positively-charged protons and ... > more
• Uranus
  Solar System
  Pluto
  Jupiter
  Moon
  Astronomy
   
  

  Uranus

  Uranus is the seventh planet from the Sun. It is a gas giant, the third largest by diameter and fourth largest by mass. NASA's Voyager 2 is the only spacecraft to have visited the planet and no other ... > more
• Sun
  Geomagnetic Storms
  Solar Flare
  Renewable Energy
  Atmosphere
  Northern Lights
   
  

  Solar radiation

  Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > more
• Jupiter
  Solar System
  Space Probes
  Space Exploration
  Pluto
  Moon
   
  

  Jupiter

  Jupiter is the fifth planet from the Sun and by far the largest within the solar system. Jupiter is usually the fourth brightest object in the sky (after the Sun, the Moon and Venus); however at ... > more
• Northern Lights
  Solar Flare
  Sun
  Jupiter
  Black Holes
  Space Exploration
   
  

  Aurora (astronomy)

  The aurora is a glow observed in the night sky, usually in the polar zone. It is also known as "northern lights" or "aurora borealis," which is Latin for "northern dawn" since in Europe especially, ... > more
• Black Holes
  Space Station
  Astronomy
  Space Probes
  NASA
  Space Telescopes
   
  

  Spacetime

  In physics, spacetime is a model that combines 3-D space and 1-D time into a single construct called the space-time continuum (the 4th ... > more
• Sun
  Solar Flare
  Astronomy
  Solar System
  Stars
  Northern Lights
   
  

  Sun

  The Sun is the spectral type G2V yellow star at the center of our solar system. About 5 million tons of matter is converted by the Sun's core into energy every second, producing neutrinos and solar ... > more

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