Proper motion of Ursa Major (Big Dipper)

[tony873004]

Here's a YouTube I made showing the evolving shape of the Big Dipper over 300,000 years. Present-day is roughly in the middle of the video.

 

[DaveC426913]

Did you also post this on Cosmoquest?
Or was that a different tony873004?

 

[tony873004]

In a parallel universe exists another tony873004 and DaveC426913.