
Neil deGrasse Tyson @neiltyson
Congratulations to @NASA on the successful landing of the SUV-Sized Perseverance Rover on planet Mars. Among other things, it carries a drone helicopter — an engineering test of flight, maneuvering, & navigation in the rarified Martian atmosphere. https://t.co/5B4ZlYFHyK — PolitiTweet.org