Cosmology

This tour takes you on a journey that spans 25 orders of magnitude, beginning on Earth, looking at objects roughly one meter in size, and spanning the Universe to scales that are roughly 10 25 meters in size. The tour stops at several points and gives you...

John Huchra, former president of the American Astronomical Society, passed away on October 8, 2010. John’s colleagues at the Harvard-Smithsonian Center for Astrophysics, in collaboration with the creators of WorldWide Telescope at Microsoft Research, have...