Comets: Visitors from the Frozen Edge of the Solar System - Professor Carolin Crawford

12 Dec 2013 53:51 91
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Millions of dirty icebergs orbit around the Sun in a huge cloud of debris almost a light-year in radius. These are all pristine relics of our primordial Solar nebula. Only when one tumbles towards the inner Solar system does it heat up to develop into the spectacular apparition known as a comet.

The transcript and downloadable versions of the lecture are available from the Gresham College website:http://www.gresham.ac.uk/lectures-and-events/comets-visitors-from-the-frozen-edge-of-the-solar-system

Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 1,500 lectures free to access or download from the website.
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