Space Exploration Articles

• Mars
  Extrasolar Planets
  Solar System
  NASA
  Space Missions
  Space Exploration
   

  Astrobiology

  Astrobiology is the study of life in space, combining aspects of astronomy, biology and geology. It is focused primarily on the study of the origin, distribution and evolution of ... > more
• Moon
  Space Exploration
  Space Missions
  Space Probes
  NASA
  Astronomy
   

  Lunar space elevator

  A lunar space elevator (also called a moonstalk) is a proposed cable running from the surface of the Moon into space. It is similar in concept to the better known Earth space elevator idea (a cable ... > more
• Jupiter
  Solar System
  Astronomy
  Space Exploration
  Space Probes
  Pluto
   
  

  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
• Asteroids, Comets and Meteors
  Solar System
  Astronomy
  Pluto
  Satellites
  Solar Flare
   

  Near-Earth asteroid

  Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earth's orbit. Some NEAs' orbits intersect Earth's so they pose a collision danger. On the other hand, NEAs are most easily ... > more
• Space Station
  Asteroids, Comets and Meteors
  NASA
  Space Exploration
  Space Probes
  Satellites
   
  

  Space debris

  Space debris or orbital debris, also called space junk and space waste, are the objects in orbit around Earth created by man that no longer serve any useful purpose. They consist of everything from ... > more
• Space Station
  Space Probes
  Space Exploration
  NASA
  Astronomy
  Space Telescopes
   
  

  Outer space

  Outer space, also simply called space, refers to the relatively empty regions of the universe outside the atmospheres of celestial bodies. Outer space is used to distinguish it from airspace (and ... > more
• Space Station
  Space Exploration
  NASA
  Space Probes
  Space Missions
  Astronomy
   
  

  Space exploration

  Space exploration is the physical exploration of outer space, both by human spaceflights and by robotic spacecraft. While the observation of objects in space—known as astronomy—pre-dates ... > more
• 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
• 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
• Galaxies
  Astrophysics
  Astronomy
  Space Telescopes
  NASA
  Space Exploration
   
  

  Barred spiral galaxy

  A barred spiral galaxy is a spiral galaxy with a band of bright stars emerging from the center and running across the middle of the ... > more

Search ScienceDaily