You can see how the star Sirius smoothly move relative to other stars during 100 thousand years: where it was 50 thousand years, where you can see it now and where it will be 50 thousand years later. Sirius is one of the first stars to have its proper motion detected. It was discovered by Edmond Halley in 1718 after comparing with Ptolemy star maps. This was made possible due to the relative proximity of Sirius to the Sun. Before this discovery the stars presumed fixed.
See with subtitles.
The video was made using own software. Information about the stars is taken from the Hipparcos catalogue.
Creative Commons Attribution 4.0 license to use the track Comfortable Mystery 3 – Film Noire (performer: Kevin MacLeod): https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100536
Performer: http://incompetech.com/
