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Posts Tagged "brent tully"

Life, Unbounded

Cosmic Cartography: Here Is Your (Local) Universe

Our local cosmic terrain (Credit: Helene Courtois)

A new video tours the nearby universe and makes it charmingly familiar. When I was a graduate student I spent a lot of time studying maps of our universe. These were being constructed using great surveys of galaxies. Each of these fuzzy specks was triangulated on the sky and located in depth by its apparent [...]

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