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CLIP 2075

How do we know the Earth is spherical? (signed)

How do we know the Earth is spherical? (signed)

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All Class Clips content is available to watch on mobile, tablet and desktop devices on our new Knowledge & Learning BETA website.

Key Info
  • How do we know the Earth is spherical? (signed)
  • Duration: 02:18
  • A look at the evidence for the Earth being round or spherical. Aristotle's reasoning is explained. The evidence includes a ship's hull disappearing first over the horizon, the stars, the constellations and the shadow on the moon during an eclipse.
  • Credits: NASA
  • Subject:



    The Earth and Beyond

  • Keywords: earth, sun, moon, Aristotle, sphere, spherical
Ideas for use in class
  • The clip could be used as a starter for plenary.
Background details
  • Clip language : British Sign Language
  • Aspect ratio : 16x9

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