davidjamesweir’s avatardavidjamesweir’s Twitter Archive—№ 858

  1. …in reply to @aussiastronomer
    aussiastronomer I sometimes put up a short URL where my slides can be viewed online and a list of questions that people might want to ask.
    On twitter.com Twitter logo davidjamesweir’s avatar ❤️ 1 Favorite Mood +1 🙂