NASA @NASA
We know a lot about dark matter, but we're still learning. Data from our @NASAHubble Space Telescope isn't in sync with all aspects of the theoretical models, suggesting that there's a missing element to the models. Find out how the team learned about it: https://t.co/hf11kxGjCF https://t.co/w9eaizOFg9 — PolitiTweet.org
