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Dr Lisa Jardine-Wright Cavendish Laboratory University of Cambridge.

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Presentation on theme: "Dr Lisa Jardine-Wright Cavendish Laboratory University of Cambridge."— Presentation transcript:

1 Dr Lisa Jardine-Wright Cavendish Laboratory University of Cambridge

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4 What does this say when you look through the red filter and read?

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6 What does this say when you now look through the red filter and read?

7 Red FilterGreen FilterBlue Filter

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10 Red Green Blue

11 http://coolcosmos.ipac.caltech.edu/image_galleries/ir_zoo/

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15  Light can be emitted by objects.

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17  Light can be reflected by an object.

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19  Light is blocked…

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22  Light is blocked... in some wavelengths but not others.

23  Light is blocked... in some wavelengths but not others.

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