Rep. Don Beyer @RepDonBeyer
The Wide Field Infrared Survey Telescope (WFIRST) is a scientific mission to build a telescope that would have both the scope to see vast swathes of the sky and the power to see them in great detail. As @NASA describes it, "the best of both worlds." 2/ https://t.co/N82CsdMHU2 — PolitiTweet.org