... an Earth-like biosphere by means of ‘oxygenic’ photosynthesis - the process plants on our planet use to convert light and carbon dioxide into oxygen and nutrients. All except one. That planet is Kepler-442b; a rocky planet about twice...
... compound on their surface has been observed, it is thought that they are coated in tholins, organic compounds such as carbon dioxide (CO2), methane (CH4) and ethane (c2H6) formed by the Sun's radiation. To date, no mission has gone through...
... mitigate its devastating effects.” The global warming trend is due to human activities that have increased emissions of carbon dioxide and other greenhouse gases into the atmosphere and the effects are evident in declining Arctic sea...
.... “You can’t do this inside a test chamber.” Vacuum chambers at JPL are filled with wispy air, primarily carbon dioxide, to simulate the thin Martian atmosphere; they don’t have room for even a tiny helicopter to move more...