Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. First and foremost stars appear to orbit about Polaris , a star near the top of the image. Actually, the Earth is spinning under the sky, and the camera is affixed to the Earth. The diffuse band of light that moves across the image is actually the central disk of our Milky Way Galaxy . Identifiable objects rotating across the frame include the constellation of Orion , stars such as Sirius and Betelgeuse , and planets such as Jupiter and Saturn .
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