Rocket launches can create eerie patterns in the sky, from undulating bright-blue spirals to glowing “jellyfish” blobs. Here’s why they happen and how to spot them.

Ancient art of origami provides a pathway for building a better tank for rocket fuel by Alan Boyle on December 15, 2020 at 1:58 pm December 15, 2020 at 1:59 pm Share 221 Tweet Share Reddit Email ...