Venkatesh Rao@vgrI’m just going to RT a few more... I’m guessing the head of this sperm thingie is so regular compared to contrail part because it is upper atmosphere. Front part looks like a bow shock waveQuote TweetMorgan Cable@starsarecalling·Dec 23, 2017SpaceX launch out of Vandenberg - beautiful!4:30 AM · Dec 23, 20174 Likes