... is far less massive than Jupiter—318 times Earth's mass—but has managed to accrete the primordial hydrogen/helium atmosphere that is largely "unpolluted" by heavier elements," said Björn Benneke of the University of Montreal, Canada. "We don't have...
... accretion. Jupiter for example, has atmospheric proportions of hydrogen and helium that are in line with what is expected...two have a significantly higher amount of carbon (relative to hydrogen) in their atmospheres, when compared with the Sun because...
... gaseous giant. Scientists think that in its former life, GJ 1132 b was cocooned in a thick primordial atmosphere made up of hydrogen and helium. However, in a relatively short period of time, it was reduced to a bare core about the size of Earth...
..., chemical production and power generation industries which together produce and consume a reported 57 million tons of hydrogen gas annually. The annual award program recognizes inventions that have significantly contributed to NASA programs, or that...
.... The SLS core stage, which supplies the liquid oxygen and liquid hydrogen propellant for four main engines, represents almost two-thirds of the vehicle...forward skirt, the liquid oxygen and liquid hydrogen propellant tanks, and the engine section. The...
... could be divided as follows - 64 percent mass of water equivalent hydrogen (WEH) trapped in the CO2-rich northern polar cap; 32 to... is still consumed for the production of breathing oxygen while hydrogen is dumped to space. A study of the water needs...