Red Shift

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Objectives

• Know that

• Know that

• Be able to

• Be able to

Task 1

Remind the person next to you:

• The regions of the electromagnetic spectrum.

• Which region is the highest and which is the lowest energy.

• Which region is the highest and which is the lowest frequency.

• Which region is the longest and which is the shortest wavelength.

• The colours in the visible spectrum.

• The relative energy, frequency and wavelength of the colours.

• What a spectral absorption line is.

Task 2

Your teacher will explain the some of the observations of spectral absorbtion lines made by Edwin Hubble, and their implications, using this powerpoint presentation.

Task 3

A

Task 4

A

Homework/Extension

A