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26 June 2009
Past Climate Change Cannot Be Tied to Earth Passing Through Galactic Plane
Earth's climate has changed over time, but the cause for the changes has been hotly debated. One idea (Shaviv and Veizer,2003), suggested that perhaps two-thirds to three-fourths of the variance in Earth's temperature over the past 500 million years may be attributable to when our solar system passes through the [...]