@NASAJPL
Low-frequency gravitational waves could soon be detectable by existing radio telescopes go.nasa.gov/1R1KvyP pic.twitter.com/UFOahfn1JQ
7:15 PM, Feb 24th, 2016 via Twitter for Mac (retweeted on 11:50 PM, Feb 24th, 2016 via Tweetbot for iΟS)