March 2022
Space travel and environmental sustainability
... 1980s. The current iteration of this design, Skylon D1, under development at Reaction Engines in the UK, requires 77 tonnes of liquid hydrogen fuel to carry a 15-tonne payload module into orbit. Optimised for passengers, the 200 cubic metre volume...
03 July 2019
New study reveals detailed exoplanet atmosphere
... 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...
11 December 2019
Water abundance lower than expected on exoplanets
... 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...
12 March 2021
Scientists find a rocky exoplanet rebuilding its atmosphere
... 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...
09 June 2016
Winners of NASA's 2016 Invention of the Year Competition Announced
..., 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...
January 2018
SLS ushers transformation of deep space exploration
.... 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...
