xkcd #3219: Planets and Bright Stars
Title text:
An old astronomer trick for distinguishing the Sun from other stars is to take multiple photos a few minutes apart and overlay them, making the Sun stand out due to its high proper motion.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: xkcd.com/3219/
Feddinat0r@feddit.org 6 days ago
Thanks, will print it out for reference
WhyIHateTheInternet@lemmy.world 6 days ago
Be sure to print in color otherwise they’ll all look the same