New image of spectacular comet

NASA have released a new image of a comet giving astronomers the best view yet of Comet (C/2012 S1) ISON during its first visit to our solar system.

This image was taken in visible light. The blue false colour was added to bring out details in the comet structure. Credit: NASA

The comet’s dusty coma, or head of the comet, is approximately 3,100 miles across, or 1.2 times the width of Australia. A dust tail extends more than 57,000 miles, far beyond Hubble’s field of view.