instruments library

Learn about Instruments of Astronomy and get information on topics related to Instruments of Astronomy.

Featured Article: Green Bank Telescope

Green Bank Telescope is one of the largest and most sensitive radio telescopes in the world. See more »

Astrolabe, AS truh layb, is an instrument used by early astronomers and navigators to measure the angles of celestial bodies above the horizon.

Bolometer, boh LOM uh tuhr, is a device similar to a highly sensitive thermometer.

Communications satellite is an artificial satellite that receives radio, television, and other signals in space and relays them back to earth.

Green Bank Telescope is one of the largest and most sensitive radio telescopes in the world.

Hubble Space Telescope is a powerful orbiting telescope that provides sharper images of heavenly bodies than other telescopes do.

Keck Observatory is an astronomical observatory on Mauna Kea, a mountain on the island of Hawaii.

Weather satellite is an instrument in orbit around the earth that is used to study and forecast the weather and climate.

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