Credit: SpaceX This week was a week of highs and lows.  SpaceX launched the biggest commercial satellite ever but the last ever Antares 230 also launched.  Plus a new radar satellite for Singapore and a bunch of Starlink and Chinese launches.First up is that large comm sat. On July 28th, SpaceX launched Jupiter 3 (aka Echostar 24) on a Falcon Heavy into a high perigee geostationary transfer orbit. The launch was delayed several times, first for weather and then an abort 1 minute before launch. The abort was determined to come from a faulty valve responsible for pressurizing the...