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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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Atmospheric optics shows us how light behaves as it passes through the atmosphere. From rainbows to the northern lights, these optical features allow us to learn about atmospheric conditions ...Read more
Mars, the Red Planet, is like Earth in many ways. Mars has huge volcanoes, gigantic canyons, and polar ice caps. The fourth planet from the Sun, Mars is smaller, colder, and drier than Earth ...Read more
12/20 Carl Sagan, an American astronomer, died on this date in 1996 Details
12/23 Gerard Kuiper, an American astronomer, died on this date in 1973 Details
12/25 On this date in 1758 Johann Palitzsch observed Halley's comet Details