steren’s avatarsteren’s Twitter Archive—№ 2,665

  1. The mass of a super-massive black hole (like the one at the center of our galaxy) measured in suns i.imgur.com/MUg63B0.gifv
    On twitter.com ↗ steren’s avatar ♻️ 1 Retweets ❤️ 1 Favorite 2015 Jun 23 Mood +2 🙂