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Welcome to Windows to the Universe - your portal to discovery! Explore the wealth of information available here to learn about the Earth and Space sciences and related topics in the humanities including mythology, art, poetry, and more.
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Some factors that have an affect on climate, like volcanic eruptions and changes in the amount of solar energy, are natural. Others, like the addition of greenhouse gases to the atmosphere, are caused by humans ...Read more
Galaxies are huge collections of stars, gas and dust, and mysterious dark matter. Galaxies are thousands of light years across and contain billions of stars. We are in the Milky Way galaxy ...Read more