Space Exploration Articles

• Solar Flare
  Cosmic Rays
  Sun
  Asteroids, Comets and Meteors
  NASA
  Satellites
   
  

  Van Allen radiation belt

  The Van Allen radiation belt is a torus of energetic charged particles (i.e. a plasma) around Earth, trapped by Earth's magnetic field. When the belts "overload", particles strike the upper ... > more
• Moon
  NASA
  Space Missions
  Space Exploration
  Space Station
  Astronomy
   
  

  Buzz Aldrin

  Colonel Buzz Aldrin, Sc.D (born January 20, 1930 as Edwin Eugene Aldrin, Jr.) is an American pilot and astronaut who became the second human to set foot on the Moon (after Neil Armstrong) during the ... > more
• Venus
  Solar System
  NASA
  Space Missions
  Space Exploration
  Astronomy
   
  

  Venus

  Venus is the second-closest planet to the Sun, orbiting it every 224.7 Earth days. It is the brightest object in the night sky, except for the Moon, reaching an apparent magnitude of -4.6. Venus ... > more
• Asteroids, Comets and Meteors
  Solar System
  Pluto
  Kuiper Belt
  Jupiter
  Eris (Xena)
   
  

  Asteroid belt

  The asteroid belt is a region of the solar system falling roughly between the planets Mars and Jupiter where the greatest concentration of asteroid orbits can be found. Despite popular imagery, the ... > more
• Mars
  Solar System
  Astronomy
  Asteroids, Comets and Meteors
  Space Exploration
  Extrasolar Planets
   
  

  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
• Moon
  NASA
  Space Missions
  Space Exploration
  Solar System
  Astronomy
   
  

  Apollo 11

  Apollo 11 was an American space mission, part of the Apollo program and the first manned mission to land on the Moon.It was the fifth human spaceflight of the Apollo program, and the third human ... > more
• Cosmic Rays
  Black Holes
  Space Telescopes
  NASA
  Space Exploration
  Astronomy
   
  

  Gamma ray burst

  Gamma-ray bursts are the most luminous physical phenomena in the universe known to the field of astronomy. They consist of flashes of gamma rays that last from seconds to hours, the longer ones being ... > more
• Space Probes
  Space Exploration
  Space Station
  Vehicles
  Aviation
  Sports Science
   
  

  Multistage rocket

  A multistage (or multi-stage) rocket is, like any rocket, propelled by the recoil pressure of the burning gases it emits as it burns fuel. What characterizes it as "multi-stage" is that it ... > more
• Saturn
  Solar System
  Pluto
  Astronomy
  Moon
  Space Exploration
   
  

  Titan (moon)

  Titan, or Saturn VI, is the largest moon of Saturn and the second largest moon in the solar system, after Jupiter's moon Ganymede. It is roughly 50% larger than Earth's moon by diameter, and is ... > 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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