... produces over 600 non-equilibrium chemical reactions in air, although only three components play a role: oxygen, nitrogen and water vapour. These chemical reactions can be ‘designed’ to some extent to yield mainly anti-microbial properties...
... of Earth’s; atmospheric systems would therefore need to maintain Earth-like internal conditions, approximately 78 percent nitrogen and 21 percent oxygen, at roughly 101 kilopascals of pressure, in spite of the external environment. Local resources...
...’s formation, 4.5 billion years ago. Mixed in are trace gaseous species of the most common elements (carbon, oxygen, nitrogen, sulphur) and a few molecular compounds that are also commonly found in the solar system: methane, water...
...information to fish farmers, national monitoring organisations, scientists, regulators and local communities. Fuelled by readily available nitrogen and phosphate, warm water temperatures and stable weather conditions, HAB outbreaks now occur annually...
... of time?) and access to essential elements - the basic elements needed for life as we know it: sulphur, phosphorus, oxygen, nitrogen, carbon and hydrogen. All of these criteria are met for Europa. One further fundamental ingredient that...
... that of sea level on Earth, about the same as is used in most human-rated spacecraft, and would include nitrogen to more closely approximate the air we are used to breathing. It was thought at the time the plans were...