Space Observatories

NASA currently maintains a group of powerful powerful space-based telescopes called Space Observatories. They are collectively known as NASA's Great Observatories. Because they are positioned outside of Earth's atmosphere, they are not subject to environmental interference. Each of the observatories uses technologically-advanced equipment capture images within a different range of both visible and invisible spectra of light.

1. Hubble Space Telescope: Launched on April 24, 1990
2. Compton Gamma Ray Observatory: Launched on April 5, 1991
3. Chandra X-ray Observatory: Launched on July 23, 1999
4. Spitzer Space Telescope: Launched on August 23, 2003NASA: NASA's Great Observatories

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• Mahalo's Guide to the Hubble Space Telescope

• Official Sites: HubbleSite | Space Telescope Science Institute

• Howstuffworks: How Hubble Space Telescope Works

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• Mahalo's Guide to the Compton Gamma Ray Observatory

• Official Site: Compton Gamma Ray Observatory Science Support Center

• Wikipedia: Compton Gamma Ray Observatory

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• Mahalo's Guide to the Chandra X-ray Observatory

• Official Sites: Chandra X-ray Observatory | Chandra X-ray Science Center (CXC)

• Shuttle Press Kit: STS-93 Payload: Chandra X-ray Observatory

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• Mahalo's Guide to the Spitzer Space Telescope

• Official Sites: Spitzer Space Telescope | Spitzer Science Center (SSC)

• NASA: Spitzer Space Telescope

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