![Profile Image](https://pbs.twimg.com/profile_images/1321163587679784960/0ZxKlEKB_normal.jpg)
NASA @NASA
Some objects in the universe are so massive, they literally cause ripples through space and time. On the most recent episode of our Curious Universe podcast, dive into the invisible, time-warping world of gravitational waves. https://t.co/fhy70HVEU6 https://t.co/AOER6bDKQ8 — PolitiTweet.org