Laughing Gas May Have Helped Warm Early Earth and Given Breath to Life
Wednesday, August 22, 2018 - 16:20
in Astronomy & Space
More than an eon ago, the sun shone dimmer than it does today, but the Earth stayed warm due to a strong greenhouse gas effect, geoscience theory holds. Astronomer Carl Sagan coined this “the Faint Young Sun Paradox,” and for decades, researchers have searched for the right balance of atmospheric gases that could have kept […]