The Drake equation
Video presented by Matthew Genge
N = N* fp ne fl fi fc fL...apparently. This is the famous Drake Equation, used by astrophysicists to calculate the chances of other civilisations existing in the universe. But how much of it is pure science, and how much pure speculation? Join planetary geologist Matt Genge to find out how much we know and how much we can guess about the possibility of alien civilisations.
- Presented by: Matthew Genge
- Date: 27 February 2005
- Duration: 40:16
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Our fossil insect collection includes Rhyniognatha hirsti, the world's oldest fossil insect, dating back some 400 million years.