>>14293396white is default cheapest basecoat for airplanes and related vehicles
people who are in charge of designing rockets are boring and don't care and people who pay for rockets are bean counters who refuse optional $10000 paintjob on $100000000 rocket
often, rockets are just left without any lick of paint and with bare material like steel or insulation foam
>>14293421Heat reflection/absorption is insignificant
I don't know of any instance where overheating was an issue
