October 2017
Colouring our view of the oceans
... and are visible because of their photosynthetic pigments, primarily chlorophyll. Regional seas, coastal zones and inland waters carry especially high algal concentrations due to the abundance of nutrients from the land. Suspended sediments from...
October 2018
Sustainable ways of living on the Moon and Mars
... manner.” The cost of transporting large quantities of air, water and rocket propellant from the Earth is unrealistic. Currently ... For Mars, using ISRU to unlock and exploit frozen water is vital. Water ice locked up at the south polar cap is expected...
November 2019
PROSPECTing for lunar polar volatiles
...the production of fuel for rocket stages, harvesting of water and generation of oxygen for astronaut life support, and... interesting resources in lunar polar areas, in particular of water ice, has sparked visions for their utilisation Knowledge about ...
January 2023
Producing food in space
... the spacecraft. Although it requires about 50 kWh of energy to produce 1 kg of Solein, almost all of this energy is spent on splitting water into oxygen and hydrogen via electrolysis. This is still 10 times more efficient when compared to plants and...
July 2018
Using algae to support astronauts on deep space missions
...Space Station (ISS), we currently resupply about seven tons of water and five tons of food a year. This is in ...rates of up to 50 percent for oxygen and 70 percent for water – a feat that was accomplished by continuously improving the technology ...
November 2021
Space in support of sustainable development
... sources that are being heavily polluted. A visual monitoring system could readily indicate whether the quality of a water source was increasing or decreasing and alert those in an area where quality is decreasing. A similar tracking mechanism could...
