The comet Hyakutake, which has an orbit of 10, 000 years, passed through the outer corona of the sun between 29th April and 6th May 1996. Its passage was observed over this period by the joint ESA/NASA astronomical satellite SOHO (Solar and Heliospheric Satellite), utilising the Naval Research Laboratory's LASCO (Large-Angle Spectrometric Coronograph) instrument.
This film explains how, by studying the passage of Hyakutake, we may learn about the behaviour of the Sun's corona from its effect upon the comet's three tails. There are also screen images which show the passing of the comet through the Sun's atmosphere.

soundtrack out of synch.