... hit Earth when it was covered by an ice sheet between 2 to 5 kilometres thick, up to half a trillion tonnes of water vapour, a greenhouse gas, could have been released into the atmosphere from the melting ice within moments of the...
....04 could be similar to those we have on Earth. “If KOI-456.04 has a mostly inert atmosphere with a mild Earth-like greenhouse effect, then its surface temperature would be +5 degrees Celsius on average, which is about ten degrees lower than...
... in its structure, but above the surface the resemblance stops there. It’s thick atmosphere traps heat in a runaway greenhouse effect, making it the hottest planet in our solar system. The few glimpses that scientists have been...
... to name just a few worrying effects. Wu and colleagues CO2 reactor could eventually help reduce this potent greenhouse gas. Currently under development, the team are experimenting with different catalysts such as graphene quantum dots...
... evolve in these early stages have been suggested. These include an initially more massive Sun, an enhancement of greenhouse gases or a different cloud distribution which affected global albedo; albedo is the proportion of radiation that is reflected...
....” 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 ice, rising sea...