Why do astronomers need observatories in air and in space?
Focus on: balloon observatories
What is an airborne observatory?
What are sounding rockets?
What is an orbiting observatory?
What were the first observatories in space?
How does an observatory get into space?
What are the parts of an orbiting observatory?
Focus on: the electromagnetic spectrum
What can astronomers learn by studying light from space?
What is the Hubble Space Telescope?
Focus on: Hubble's view of the universe
Are radio telescopes used in space?
How does an infrared telescope work?
How do scientists use orbiting infrared telescopes?
How does an ultraviolet telescope work?
How do scientists use orbiting ultraviolet telescopes?
How does an x-ray telescope work?
How do scientists use orbiting x-ray telescopes?
How is a gamma-ray telescope unique?
What have orbiting gamma-ray telescopes revealed about gamma-ray bursts?
Can orbiting observatories be used to study deep space?
Can orbiting observatories be used to study Earth?
Can orbiting observatories be used to study the sun?
Can orbiting observatories be used to search for extrasolar planets?
What does the future hold for space-based observatories?
