Retired Science Teacher. I give science workshops for students and Educators, both in Canada and the U.S.A. I published "Hover & Soar" in November, 2017.
Four human launches by SpaceX within 16 months of beginning crew operations is damned impressive. It's not easy, but they made it look easy. Engineers, man.
Go outside and find the moon. That bright βstarβ beside it? Thatβs Jupiter. And to the left of that is Saturn. Oh, and Mars is up, too! High in the east. Itβs a planetary smorgasbord! #astronomy