Rosetta Mission Fuels Argument About Origin of Earth’s Water
The debate about the origin of Earth’s water just got deeper. The European Space Agency’s (ESA) comet-chasing spacecraft Rosetta has sent back some interesting information regarding water vapor it detected and analyzed on its target, Comet 67P/Churyumov-Gerasimenko. According to the ESA and an international group of scientists, the analysis shows that the chemical composition of […]
Scientists Identify Four New Ozone Depleting Gases in Atmosphere
Scientists have identified four new man-made gases in the atmosphere that they say are helping to destroy Earth’s protective ozone layer. Writing in Nature Geoscience, the researchers said that there are about 74,000,000 kilograms of three newly identified chlorofluorocarbons (CFCs) – compounds that only contain the atoms of carbon, fluorine and chlorine – and one […]