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Courses, PBS Space Time

Measuring space and time

6 lectures, 1 hr 1 min in all

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  1. 1
    The Leap Second Explained | Space Time | PBS Digital Studios

    2 min

  2. 2
    How Do You Measure the Size of the Universe?

    7 min

  3. 3
    The Calendar, Australia & White Christmas | Space Time | PBS Digital Studios

    8 min

  4. 4
    Have Gravitational Waves Been Discovered?!?

    11 min

  5. 5
    Is The Universe Finite?

    17 min

  6. 6
    Does Gravity Require Extra Dimensions?

    17 min