iamethra

iamethra t1_j1v57cl wrote on December 27, 2022 at 5:12 PM

Reply to comment by DeLaOcea in do we really believe aliens can decode the golden records by Calm-Confidence8429

You are correct re: symbolic vs useful but seeing as we are sending the probe anyway, why not put something like the golden records on it?

iamethra t1_j1rnirk wrote on December 26, 2022 at 9:29 PM

Reply to comment by PerformerGreat in Question about rocket thrust / engines in space and in atmosphere… by MyShatsRRadioactive

Hydrogen is a huge PITA to work with though which is part of the reason why a lot of modern rocket engines are moving to methane (SpaceX Raptor and Blue Origin BE4 among others).