June 2018
Striding through space
...-flying, untethered environment. It had 24 small gaseous nitrogen thrusters operated by hand controllers at the end of two ... both sides. This enabled me to read the compressed nitrogen propellant gauges clearly. These were only about four inches ...
October 2018
Sustainable ways of living on the Moon and Mars
...collect data on water ice, minerals and volatiles, including nitrogen, CO2, ammonia, methane and sulphur dioxide. A ...is indeed possible. ‘Macronutrients’ like O2, carbon, hydrogen, nitrogen and potassium are present in lunar and Martian soil and ...
July 2020
Covid-19 infects global space community
...recently reported by the New York Times. It correlated levels of nitrogen dioxide (NO2) in the atmosphere to the spread of COVID-19,... on ESA’s Sentinel-5 satellite shows a significant drop of nitrogen dioxide - a gas mainly emitted by cars, trucks, ...
January 2021
Evolution of volatiles on the Moon
... against the ravages of the solar wind. Observations of the nitrogen embedded in lunar soils, potentially of Earth origin, have been...gas-giant planets, colder even than the mountains of nitrogen ice on Pluto. So, clearly, any icy volatile that...
May 2022
Design architecture for 3D printing a lunar habitat
... degree of 98.2 percent - where 100 percent represents a fully autonomous unit – 100 percent of water was recycled, recovery of nitrogen from urea was 99.7 percent efficient and microbial waste degradation rate of solid waste was 67 percent. This...
February 2023
How to grow plants in a spacecraft
...) to the ECLSS. A BLSS with bacteria and algae could be used to recycle the nitrogen in solid wastes back into a usable form of organic nitrogen that plants could absorb. An experiment following that principle – the Micro Ecological Life...