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As other people said, what you see in that picture is a mosaic of images, centered in our Galaxy, produced with WISE observations in infrared light. Astronomers have used a projection method, called Aitoff, to project the spherical sky into a 2-dimensional map. For a more detailed explanation of the image, please follow this link: ...


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This picture was taken by the WISE (Wide-field Infrared Survey Explorer) space telescope. It is in deed an infrared picture of the entire universe but what you see in this line is our home galaxy, the Milky Way. This telescope has taken infrared pictures of the entire Universe (as we see from the Earth) and joined them in this full-sky view. More info: ...


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Red shift is usually measured for galaxies rather than individual stars. Unless a star has just gone supernova, it's usually not bright enough to be seen even w the world's most powerful telescopes at the distances where cosmological redshift comes into play. Hubble's law operates over large distances; the expansion constant being 67.8 km/sec per megaparsec ...



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