Cool Worlds

4 old videos with fewer than 5,000 views from this channel.

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• 6:58 The Kepler Revolutions

  Cool Worlds

  2,899 views · 5 June 2016

• 5:19 Clouds Made of Rubies | Hannah Wakeford

  Cool Worlds

  3,573 views · 19 January 2017

• 8:31 Why Moons Matter | Alex Teachey

  Cool Worlds

  4,047 views · 20 July 2017

• 13:28 Did we find an exomoon?

  Cool Worlds

  4,230 views · 27 July 2017