A Planet or a Comet? New Rock Is a Bit of Both
at the Time.com website please click on the link above. This article
discusses HD 209458, a astronomical object which has been found to
have a tail like a comet,despite the fact that it is really a planet.
HD 209458 is shown as the large object in the center of this photo:
Source of image: http://en.wikipedia.org/wiki/File:HD209458.jpg
To learn more about HD209458 please visit the following websites: