Mercury Articles

• Jupiter
  Space Exploration
  Astronomy
  NASA
  Sun
  Solar Flare
   
  

  Great Red Spot

  The Great Red Spot is a persistent anticyclonic storm on the planet Jupiter, 22 degrees south of the equator, which has lasted at least 340 years. The storm is large enough to be visible through ... > 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
• Extrasolar Planets
  Stars
  Solar System
  Astronomy
  Sun
  Mars
   
  

  Planetary habitability

  Planetary habitability is the measure of an astronomical body's potential to develop and sustain life. It is generally assumed that any extraterrestrial life that might exist will be based on the ... > more
• Pluto
  Kuiper Belt
  Solar System
  Moon
  Jupiter
  Satellites
   
  

  Charon (moon)

  Charon, discovered in 1978, is, depending on the definition employed, either the largest moon of Pluto or one member of a double dwarf planet with Pluto being the other member. With the discovery in ... > more
• Black Holes
  Astronomy
  Galaxies
  Stars
  Astrophysics
  Nebulae
   
  

  Supernova

  A supernova (plural supernovae) is a stellar explosion which produces an extremely bright object made of plasma that declines to invisibility over weeks or months. A supernova briefly outshines its ... > more
• Space Probes
  Space Exploration
  Space Station
  Astronomy
  NASA
  Space Missions
   
  

  Spacecraft propulsion

  Spacecraft propulsion is used to change the velocity of spacecraft and artificial satellites, or in short, to provide delta-v. There are many different methods. Each method has drawbacks and ... > more
• Pluto
  Kuiper Belt
  Solar System
  Neptune
  Jupiter
  Astronomy
   
  

  Pluto

  Pluto, designated (134340) Pluto, in the Minor Planet Center catalogue, is the second-largest known dwarf planet in the solar system. It orbits between 29 and 49 AU from the Sun, and was the first ... > 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
• 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
• NASA
  Space Telescopes
  Astrophysics
  Space Exploration
  Galaxies
  Sports Science
   
  

  Edwin Hubble

  Edwin Powell Hubble (November 20, 1889 - September 28, 1953) was an American astronomer, noted for his discovery of galaxies beyond the Milky Way and the cosmological redshift. Edwin Hubble was one ... > more

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