U.S. Department of Energy @ENERGY
📡 📸 #Flashback to earlier this week when scientists revealed the very first image of a black hole! Learn how @Argonne and @Fermilab scientists played a role in the @EHTelescope. â–¶ https://t.co/zJmwVKVkGn 📹 @NSF #FlashbackFriday https://t.co/nEsUCJcbu7 — PolitiTweet.org