Barbara Morgan   Apr 15, 2008   2:00/1:00 MT/PT
watch the program resources glossary facts links home
  The glossary from Amazing Space, which uses the Hubble Space Telescope's discoveries to inspire and educate about the wonders of our universe, is very thorough.
  The D4K Astronomy Glossary contains even more words for you to read about.
  ATMOSPHERE - The layer of gases surrounding the earth that has gravity strong enough to prevent the gases from escaping into space.
  ASTRONAUT - A person who travels in space aboard a United States craft. The word, 'astronaut' comes from the Greek words meaning "space sailor."
  COMMANDER - often the pilot. Commanders are responsible for the vehicle, the crew, mission success, and safety.
  COSMONAUT - The Russian term for an astronaut
  GALILEO GALILEI (1564-1642) - Italian mathematician, astronomer, and physicist. First to use a telescope to observe the skies
  MISSION SPECIALIST - astronauts in charge of on-board operations. They release satellites into space, operate scientific or engineering experiments, repair satellites and operate equipment in the Shuttle's payload bay.
  NASA - The National Aeronautics and Space Administration. NASA is in charge of all space programs for the United States.
  NAVIGATION - Directing the course of a ship or other craft
  ORBIT - The path of an object as it travels around another
  PAYLOAD - In space flight, the passengers, crew, instruments, or equipment carried by a spacecraft
  PAYLOAD SPECIALIST - professionals from life sciences or physical sciences fields. They can also be skilled technicians who are trained to operate special equipment on the mission.
  PILOT - controls and operates the shuttle
  SATELLITE - A small object revolving around a larger object. Satellites can be natural, such as moons, or they can be artificial objects sent into orbit around the earth, such as communication, weather and navigation satellites.
  TELESCOPE - An instrument that can make faraway things appear closer. There are optical, reflecting, refracting, radio, and telescopes in space.
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