Telescopes

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Herschel’s Newtonian style telescope.

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24 inch Schmidt at Palomar

Used for taking images of solar system objects – planets and comets.

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Optical Telescopes are on Mountain tops

Away from the lights of the cities, above the clouds, above the weather,

Radio Telescopes are in Valleys

Avoiding the radio noise made by cities, cars, and radio stations

X-ray and Gamma ray telescopes are in space

X-rays and Gamma rays can’t get through the atmosphere!

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Radio Telescopes

Seeing one kind of invisible light

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Built by Grote Reber Now at NRAO- Greenbank

First Radio Telescope

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The Big Ear - OSU (dismantled)

Developed by John Kraus

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Jodrell Bank - UK

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NRAO – Greenbank, WV

The 40 foot telescope used by teachers and a few others. Including Mr.B

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100 M in Germany

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World’s Largest - Arecibo

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VLA – Socorro, NM

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Optical Telescopes

Visible and Infrared

On the Ground and in Space

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Yerkes – 40 inch refractor

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Hooker – Mt Wilson

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Hale – Mt. Palomar

200 inch 5 meter solid glass mirror

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Keck I and II – Mauna Kea

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Subaru – Mauna Kea

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