SpaceX launches powerful Sentinel-6B ocean-mapping satellite for Europe and NASABy otako_fzbgs4 / November 16, 2025 SpaceX launched the Sentinel-6B ocean-mapping satellite from California early Monday morning (Nov. 17). Related posts: Catch solar bursts in new citizen science project Sped-up simulation of Hera’s Mars flyby Hera asteroid mission’s Mars flyby Watch live: Images from Hera’s Mars flyby