New answers tagged

5

Lunar regolith may contain not only the lightest noble gas helium, but also hydrogen and other noble gases like neon, argon, krypton and xenon. The concentration of helium is much higher than that of the other noble gases. More than 99 % of lunar soil are oxides of silicon and some metals like iron and aluminum, see table 7.15 on page 62 of the Pdf. Source ...


5

NASA [1] indicates that helium-3 can be assessed indirectly by measuring the presence of titanium dioxide and soil characteristics ("maturity"), the correlation having been derived from the study of Apollo lunar rock samples. The helium-3 is "detected" through remote analysis for these favorable mineral and soil characteristics. Using data on the titanium ...


3

Ceres has a surface gravity on of 0.029G and an escape velocity of 500ms. So there would be a down, standing up would be possible and it would be impossible to accidentally escape into orbit. Falling over (or dropping something held) would take around 10 seconds, anything kicked up or thrown would be aloft for much longer. So jumping your mining truck wouldn'...


Top 50 recent answers are included