Sentences with phrase «molecules covered earth»

The finding, published in tomorrow's Proceedings of the National Academy of Sciences, argues that a skein of these shielding molecules covered Earth's primordial soup — a scenario that would boost the odds that life gained a foothold on other planets.

Not exact matches

He set out to explore whether a layer of ice covering early Earth's oceans might have gathered and assembled organic molecules.

In the new study, researchers placed tiny particles of silicon carbide (one represented by the group of tan molecules in this artist's concept) covered with graphite (hexagonal networks of gray atoms) in a vacuum chamber that duplicated the deep - space conditions surrounding many stars (temperatures between 900 and 1500 kelvins and pressures less than one - billionth that found at Earth's surface).

This was based on a derived Tau using all greenhouse molecules and covering all the regions of the Earth.

The absorption interval of CO2 molecules covers less than 20 percent of the spectrum of thermal radiation of the Earth's surface, while atmospheric moisture absorbs thermal radiation rather uniformly over the entire spectrum.