Episode 294: DOWNLINK--Panagiotis Tsiotras II

Spaceflight news— SLS Green Test hotfire followup (americaspace.com) (spacenews.com) (spaceflightnow.com) (youtube.com)Short & Sweet— SpaceX buys offshore oil platforms to convert to spaceports. (chron.com) (nasaspaceflight.com)— ThrustMe performs on orbit. (spacenews.com)— Starliner up and running? (spacenews.com) (HT Andrew Z: spaceflightnow.com)Interview--Dr. Panagiotis Tsiotras, IEEE Fellow and Professor and David and Andrew Lewis Chair, Guggenheim School of Aerospace Engineering, Georgia Institute of Technology.— Chapter 8.2 of Ulrich Walter’s Astronautics is a good resource for learning about Lambert Transfers (books.google.com)— Dr. Tsiotras wrote a paper called Optimal Two-Impulse Rendezvous Using Multiple-Revolution Lambert Solutions (PDF: researchgate.net)This week in SF history— 1 Feb, 1990: The first test of the Soviet SPK/21KS maneuvering unit (americaspace.com) (astronautix.com) (astronautix.com) (spacefacts.de) (books.google.com) (russianspaceweb.com)— Next week (2/2 - 2/8) in 1977: A farewell salute