
U.S. Department of Energy @ENERGY
Today is #DarkMatterDay! DYK all the ✨, planets, ☄️s, and space dust combined are only 5% of all matter? Dark matter is a third of the remaining 95%. See how we work on uncovering this mystery in our new blog. https://t.co/98kMJg6fiQ — PolitiTweet.org