Mars Wants Soap! On: March 6, 2020December 20, 2019 By: Romeyn 0 (0) “Mr. Yerkes $500,000 Telescope” is in reference to the opening of the Yerkes Observatory’s 40-inch refracting telescope, the largest in the world. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. Share this:XFacebookTumblrRedditEmailPrint
