26 November 2021
A closer Moon could have helped the early habitability of our planet
... prokaryotic organisms, and bacteria. But even at this early stage, for life as we know it to flourish, it needs access to liquid water – even bacteria need it to survive. This ‘simple’ requirement however does throw a spanner in the works when Earth...
23 September 2019
Venus may once have had oceans says a new study
... looked like our own planet – a temperate world hosting liquid water for as long as two to three billion years, until... found that Venus could still support surface temperatures amenable for liquid water,” said Way. The study is not only relevant to...
December 2014
MAVEN and the evolution of Mars
... carbon dioxide content ended up as carbonate rocks (limestone for example) because of the presence of liquid water on its surface. A reaction between CO2 gas and liquid water is the key to this process. Venus may not have had sufficient longlived...
May 2021
In-situ propellant design for Mars ascent vehicles
...at the surface. Low atmospheric density indicates that if Mars ever had liquid water on its surface, it would have evaporated immediately. So even if we find water on Mars, it would be very difficult to make it usable. In other words, the atmospheric...
03 May 2016
Martian Seasonal Streaks May be Caused by Boiling Water
... slopes during warm seasons. They then lengthen and fade as they cool down. "Under certain circumstances, liquid water has been found on Mars," NASA concluded at the time. For the latest study, also published in Nature...
October 2021
Mining lunar hydrogen
... ton of regolith, firstly to heat the mass to the ice point, secondly to melt it and thirdly to heat the liquid water generated to the boiling point, and then to evaporate it. The relevant equation is shown in the adjacent panel. These...
