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Tools of Astronomers

Tools of Astronomers. Telescopes. Optical telescopes – collect visible light, use convex lenses or mirrors to focus light to make larger images. Telescopes. Radio telescopes – receive radio waves from objects in space, distant stars and galaxies (weather and time doesn’t matter).

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Tools of Astronomers

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  1. Tools of Astronomers

  2. Telescopes • Optical telescopes – collect visible light, use convex lenses or mirrors to focus light to make larger images

  3. Telescopes • Radio telescopes – receive radio waves from objects in space, distant stars and galaxies (weather and time doesn’t matter) Bill Nye – Telescopes 6:24

  4. Satellites • In orbit around Earth • Collect information from space • Not affected by Earth's atmosphere Satellite technology: Expanding our Gaze, Perception and Technology 2:06

  5. Space probes Venus • Contain instruments to collect data • Can travel to places too dangerous for people Phoenix Mars Cassini – Saturn/Io Space probes 2:15 Voyager 1

  6. Spectroscope • Collect light from distant stars and separate the light into different colors Atoms have signatures of light 2:45

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