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Earth

Global Warming Irreversible, NOAA Scientist Finds 1061

Tibor the Hun writes "NPR reports that Susan Solomon, one of the world's top climate scientists, finds in her new study that global warming is now irreversible. The study, published in the Proceedings of the National Academy of Sciences, concludes that even if we could immediately cease our impact on pollution and greenhouse gasses emissions, global climate change would continue for more than a thousand years. The reason is the saturation of oceans with carbon dioxide. Her study looked at the consequences of long-term effect in terms of sea-level rise and drought."
Space

Small Asteroid Making 400,000 Mile Pass By Earth 157

AtariKee writes "Universe Today is reporting that a small 10m asteroid, discovered earlier this month and named 2009 BD, is passing within 400,000 miles of Earth. Although the asteroid poses no threat to the planet, the site reports that the asteroid is still very interesting, as it may be a rare co-orbital asteroid (as in, shares the same orbit as Earth)."

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