This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionGreat Comet of 1811 animation.webm
English: Trajectory of the Great Comet of 1811 between May 1811 and March 1812. Created with the JPL Small-Body Database Browser Orbit Viewer and orbital elements from Stellarium/Wikipedia.[1]
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Add a one-line explanation of what this file represents
Grote Komeet van 1811. Baan van 20 mei 1811 tot 13 maart 1812