18D/Perrine–Mrkos

Release date:

17P/Holmes is a periodic comet with an orbital period of 6.88 years discovered in November 1892 by Edwin Holmes. Although normally a faint object, Comet Holmes became notable during its return in October 2007 when it became visible to the naked eye and also briefly became the largest object in the Solar System as its coma became as large as the Sun.

Open in Celestia (Recommended) or Download

How to install add-ons? Find out here.