Extrasolar Planet Articles

• Black Holes
  Astrophysics
  Sports Science
  Sun
  Cosmic Rays
  Solar Flare
   
  

  Black body

  In physics, a black body is an object that absorbs all electromagnetic radiation that falls onto it. No radiation passes through it and none is reflected, yet in classical physics, it can ... > more
• Stars
  Astronomy
  Extrasolar Planets
  Galaxies
  NASA
  Black Holes
   
  

  Sirius

  Sirius is the brightest star in the nighttime sky. Sirius can be seen from every inhabited region of the Earth's surface. There are a few unsolved mysteries regarding ... > more
• Solar System
  Neptune
  Pluto
  Moon
  Jupiter
  Satellites
   
  

  Neptune's natural satellites

  Neptune has 13 known moons. The largest by far is Triton, discovered by William Lassell just 17 days after the discovery of Neptune itself. It took a hundred years to discover the second, Nereid. ... > more
• Kuiper Belt
  Pluto
  Eris (Xena)
  Solar System
  Astronomy
  Extrasolar Planets
   
  

  Eris (dwarf planet)

  Eris is the largest known dwarf planet in the solar system. It is a trans-Neptunian object (TNO), orbiting the Sun in a region of space known as the scattered disc, just beyond the Kuiper belt, and ... > more
• Uranus
  Solar System
  Astronomy
  Pluto
  Jupiter
  Moon
   
  

  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
• 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
• Pluto
  Solar System
  Kuiper Belt
  Astronomy
  NASA
  Space Exploration
   
  

  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
• Astronomy
  Astrophysics
  Extrasolar Planets
  Galaxies
  Solar System
  Stars
   
  

  Astronomy

  Astronomy is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere (such as the cosmic background ... > 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
• Astronomy
  Solar System
  Extrasolar Planets
  Mars
  Sun
  Nebulae
   
  

  Johannes Kepler

  Johannes Kepler (December 27, 1571 - November 15, 1630), a key figure in the scientific revolution, was a German Lutheran mathematician, astrologer, and astronomer. Kepler lived in an era when there ... > more

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