New answers tagged

3

The human body contains 50 to 70 % of its mass of water. Lets assume an astronaut of 80 kg with 50 kg water. How much heat energy is needed to raise the body temperature by only 0.5 °C? The energy to raise the temperature of 1 kg water by 1 °C is 1 kcal or 4.184 kJ. For 50 kg and 0.5 °C it is 25 kcal or 104.6 kJ. I assume the heat production of the body with ...


8

https://www.jwst.nasa.gov/content/webbLaunch/deploymentExplorer.html The sun shield deployment is a multi-day process that started on day three, when the sunshield pallets were opened. The op is referring to day six when the sunshield left and right sunshield boom's were deployed. Day 7 and 8 are sunshield layer tensioning, at which point the sunshield is ...


3

There may also be at least a lower limit that can be gleaned from video; if they're shown disconnected continuously for 90 seconds for example then an acceptable answer might be "apparently at least 90 seconds." "Apparently at least 1009 seconds, as seen during the Inspiration4 mission". In the Crew-3 video, NASA unfortunately did not ...


Top 50 recent answers are included