Three bright stars: Vega, Deneb and Altair, clearly visible in the northern hemisphere in summer and autumn, form the Summer Triangle. In the video you can see that in about 110 thousand years these three stars will line up.
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 Prelude No. 15 (performer: Chris Zabriskie): https://creativecommons.org/licenses/by/4.0/
Source: http://chriszabriskie.com/preludes/
Performer: http://chriszabriskie.com/
