X @Elon Musk

RT Steve Jurvetson (@FutureJurvetson)Better than Black 🛰In this clip from the upper stage of one of this week’s Starlink launches, you can see the stack of sats and then a very shiny mirror that reflects the upper stage spinning away over Earth. So much cool engineering visible here: https://t.co/M0gYV0m2oRThe first Starlink sats were black to avoid being visible at dawn and dusk (when the sun still illuminates them at high altitude, but people on the ground are in the dark). But black absorption heats up t ...