Spaceflight news

— Tianwen-1 selfie (twitter.com/AJ_FI)

— No country’s first Mars mission has ever been an orbiter/lander pair before (eoportal.org)

— Orbiter instrumentation (nssc.cas.cn)

— Lander/rover instrumentation (spacerobotics.eu)

Short & Sweet

— U.S. to monitor spacecraft around cis-lunar space (breakingdefense.com)

— ThrustMe secures ESA funding (satellite-evolution.com)

— Starlink could serve as a GPS alternative (technologyreview.com)

— China announces work on lunar-capable crewed launch vehicle (space.com)

— SpaceX continues Boca Chica takeover (vice.com)

Questions, comments, corrections

— Ben Hallert: NRHO, but not Gateway, are required for Artemis 3 landing (twitter.com/chairboy)

— From the intro: Dragon DEMO-2 named Resilience (spacenews.com)

This week in SF history

— October 9, 2009. LCROSS impact of the lunar south pole (wikipedia.org)

— The in flight anomaly (spaceflightnow.com)

— Crater investigation (arxiv.org)

— Estimating the circumference of an ellipse (youtube.com)

— Next week in 1976: joining the polar bear club