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Wonders of the Universe Clips

  1. Why are black holes invisible?

    Duration: 03:43

  2. Escaping from gravity

    Duration: 03:39

  3. Oldest light in the Universe

    Duration: 03:24

  4. Evidence of the Big Bang

    Duration: 04:25

  5. Death of the Sun and stars

    Duration: 04:30

  6. Looking back in time

    Duration: 06:02

  7. How are elements made?

    Duration: 07:37

  8. Measuring the speed of light

    Duration: 03:38

  9. Spectroscopy and how we know what stars are made of

    Duration: 06:04

  10. Evolution of complex life

    Duration: 03:32

  11. Gravity on different worlds

    Duration: 06:28

  12. Time and entropy

    Duration: 05:12