Rabih Alameddine@rabihalameddineThe first known photograph of a comet. Donati’s Comet, taken at Harvard College Observatory in 1858.4:09 PM · Nov 26, 2018·Twitter Web Client19 Retweets1 Quote Tweet81 Likes
Rabih Alameddine@rabihalameddine·Nov 26, 2018Replying to @rabihalameddineThe Sun’s Corona during the Eclipse of July 39, 1878 – Illustration from ‘Astronomy for high schools and colleges’433