02 November 2020
Rare meteorite reveals evidence of water on Mars 4.4 billion years ago
... of hydrogen, which would have contributed to planetary warming at a time when Mars already had a thick insulating atmosphere of carbon dioxide." This could raise the surface temperature of early Mars above the freezing point of water for several...
23 June 2021
Exoplanets with Earth-like biospheres may be rare
... 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...
18 October 2021
NASA's Lucy mission launches, encounters problem with solar panel
... 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...
02 February 2022
Global warming trend shows no sign of abating
... 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...
26 April 2021
Ingenuity makes its third flight on Mars
.... “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...
