Right now you're hurtling around the Sun at 100,000 kms an hour. Join Kate Humble and Dr Helen Czerski as they explore the relationship between the Earth's orbit and the weather.

Image for Orbit: Earth's Extraordinary Journey

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Episode 3

3/3 Helen Czerski shows how the earth's angle of tilt creates the most extreme weather.

Sun 3 Feb 2013 22:00 BBC Two Wales only

See all previous episodes from Orbit: Earth's Extraordinary Journey

  • Calculate Earth's tilt

    Calculate Earth's tilt

    Physicist and Presenter Helen Czerski takes you through a step by step guide on how to calculate the tilt of the Earth around a significant time in it's orbit around the Sun.

    Step by step guide

  • Blog: What would happen if Earth spun the other way?

    Blog: What would happen if Earth spun the other way?

    Change something as simple as direction of rotation and you change the planet we know.

    Find out more about Earth's spin

  • Blog: Earth with 0 degree tilt

    Blog: Earth with 0 degree tilt

    The Earth hasn't always rotated with a 23 degree tilt. Pretty much nothing about the Earth's climate stays constant if you wait long enough, and the tilt is no exception.

    What would Earth look like with 0 degree tilt?

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