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What are they made of
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Classroom Contents
The Invisible Universe: From Supernovas to Black Holes
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- 1 Introduction
- 2 Light
- 3 William Herschel
- 4 Infrared light
- 5 Light is a wave
- 6 The electromagnetic spectrum
- 7 The full spectrum
- 8 Invisible galaxies
- 9 Red and dead galaxies
- 10 Hubble Deep Fields
- 11 Hubble Space Telescope
- 12 Invisible lights
- 13 Submillimetre light
- 14 How we detect submillimetre light
- 15 How we detect long wavelength light
- 16 Scuba
- 17 What does Scuba look like
- 18 What are these things
- 19 Ancient galaxies
- 20 What are they made of
- 21 Submillimetre galaxies
- 22 Galaxy evolution
- 23 The mystery of submillimetre galaxies
- 24 James Webb Space Telescope
