This week in SF history— February 21, 1964: The birth of Scott Kelly (wikipedia.org)— February 21, 1964: The birth of Mark Kelly (wikipedia.org)Spaceflight news— Saying Goodbye to Opportunity (americaspace.com)(spacenews.com)(youtube.com) — Close call in 2005 (newscientist.com) — Superlatives (wikipedia.org) — Possible Deep sleep issue (twitter.com/elakdawalla)Short & Sweet— Fourteen more days of night for Chang’e-4. (spacenews.com)— RS-25 testing resumes at NASA Stennis (nasaspaceflight.com)— NASA Officials downplay government shutdown’s effect on JWST’s launch (spacenews.com)Questions, comments, corrections— RPG night (patreon.com)— T-shirt giveaway (sfsf.shop/support-tom) — Congrats, Rich! (twitter.com/therealrichnez)