This week in SF history— December 30, 1995, launch of Rossi X-ray Timing Explorer (wikipedia.org) (nasa.gov)Spaceflight news— More Starship photos and tweets. (teslarati.com) (twitter.com/elonmusk) — Technical presentation promised (twitter.com/elonmusk) — Comparison to publicity photos (nasaspaceflight.com) — New metallurgy (twitter.com/elonmusk) (twitter.com/elonmusk)Short & Sweet— SpaceX reveals first completed Crew Dragon spaceship. (teslarati.com)— New Shepard is scrubbed until early 2019. (spaceflightnow.com)— Dream Chaser passes Integrated Review 4 (spacenews.com)Questions, comments, corrections— /u/Bananas_on_Mars: Resin sample testing for cover-up glue! (reddit.com/r/orbitalpodcast)— Show notes mailing list (eepurl.com)— Space is Cool As Fk (ltpbooks.com)