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Telescopes
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Slide 1

Telescopes

Telescopes

Donna Kubik PHYS162 Spring, 2006

Slide 2

Purpose of telescopes

Purpose of telescopes

To do what our eyes cannot

Collect photons (from radio to gamma ray)

Achieve higher resolution

Record the received photons

Images

Spectra

Slide 3

Recording

Recording

Rarely are your eyes used

to directly look through

a telescope, even for an

optical telescope!

Slide 4

Types of EM radiation

Types of EM radiation

Astronomers have constructed telescopes that have detected all forms of EM radiation, both visible and non-visible, emitted by objects in space.

Slide 5

Types of EM radiation

Types of EM radiation

Radio

Millimeter

Sub-millimeter

Infrared

Optical

Ultraviolet

Xray

Gamma ray

Slide 6

Types of astronomers

Types of astronomers

Radio astronomers

Millimeter astronomers

Sub-millimeter astronomers

Infrared astronomers

Optical astronomers

Ultraviolet astronomers

X-ray astronomers

Gamma ray astronomers

Slide 7

Types of astronomy

Types of astronomy

Radio astronomy

Millimeter astronomy

Sub-millimeter astronomy

Infrared astronomy

Optical astronomy

Ultraviolet astronomy

X-ray astronomy

Gamma ray astronomy

Slide 8

Types of telescopes

Types of telescopes

Radio telescopes

Millimeter telescopes

Sub-millimeter telescopes

Infrared telescope

Optical telescopes

Ultraviolet telescopes

X-ray telescopes

Gamma ray telescopes

Slide 9

The telescopes look very different!

The telescopes look very different!

Effelsberg radio telescope,

Germany

Slide 10

Types of telescopes

Types of telescopes

Radio telescopes

Millimeter telescopes

Sub-millimeter telescopes

Infrared telescope

Optical telescopes

Ultraviolet telescopes

X-ray telescopes

Gamma ray telescopes

Slide 11

The telescopes look very different!

The telescopes look very different!

NRAO 12 meter telescope, Kitt Peak Observatory

Slide 12

Types of telescopes

Types of telescopes

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