Space Probe Articles

• 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
• 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
• Neptune
  Solar System
  Jupiter
  Astronomy
  Pluto
  Extrasolar Planets
   
  

  Neptune

  Neptune is the eighth and outermost planet in our solar system. It is the fourth-largest planet by diameter and the third-largest by mass; Neptune is 17 times the mass of Earth and is slightly more ... > more
• Space Station
  NASA
  Space Exploration
  Space Missions
  Space Probes
  Astronomy
   
  

  Mir

  Mir was a highly successful Soviet (and later Russian) orbital station. It was humanity's first consistently inhabited long-term research station in space. Through a number of collaborations, it was ... > more
• Asteroids, Comets and Meteors
  Astronomy
  Solar System
  Sun
  Solar Flare
  Space Exploration
   
  

  Comet

  A comet is a small body in the solar system that orbits the Sun and (at least occasionally) exhibits a coma (or atmosphere) and/or a tail - both primarily from the effects of solar radiation upon the ... > more
• Space Telescopes
  Space Exploration
  NASA
  Space Station
  Astronomy
  Satellites
   
  

  Space observatory

  A space observatory is any instrument in outer space which is used for observation of distant planets, galaxies, and other outer space objects. A large number of observatories have been launched into ... > 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
• Mars
  NASA
  Space Missions
  Solar System
  Space Exploration
  Astronomy
   
  

  Mars

  Mars is the fourth planet from the Sun in our solar system. It is named after Mars, the Roman god of war. Mars has also earned the nickname "The Red Planet" due to the reddish appearance it has when ... > 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
• NASA
  Space Telescopes
  Astronomy
  Space Exploration
  Satellites
  Galaxies
   
  

  Spitzer Space Telescope

  Spitzer Space Telescope (formerly the Space Infrared Telescope Facility [SIRTF]) is an infrared space observatory, the fourth and final of NASA's Great Observatories. The first images taken by SST ... > more

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