Tags Bob Zimmerman Mars rovers perseverance Curiosity Ingenuity helicopter Martian thin atmosphere Chines Mars rover discussion ground penetrating radar water ice on Mars searching for life on Mars NASA PR vanishing Mars water Juno at Jupiter the Moon China on the Moon Chinese lunar sample return Marshall Martin phone call Ingenuity flight time NewSpace market economics RocketLab Virgin Galactic SPACS Blue Origin suborbital flight dark matter dark energy Halton Arp theories Viking the NASA Mars Program theories compared to data Newton on theories Sen. Nelson as NASA Administrator quasars quasars and red shift Griffith Observatory telescopes SLS JWST lava tube Martian habitats Antarctica as a Martian analog cosmology General Relativity SLS recent engine test Starlink Guest Robert Zimmerman Tagline Bob returns with news and updates for commercial space and more View the discussion thread.