What we like about this place is pleasant or not, the essays are ALWAYS provocative.
We have been inspired by their collaborative creation for many years now.

Getting the big picture -- three of the Great Observatories worked together in producing this stunning image of Cassiopeia A. This composite image combines the infrared data from Spitzer in red, visible wavelength data from Hubble in yellow, and X-ray data from Chandra in green and blue. Credit: X-ray: NASA/CXC/SAO; Optical: NASA/STScI; Infrared: NASA/JPL-Caltech
http://arstechnica.com/science/news/2009/08/looking-back-at-ten-years-of-nasas-great-observatories.ars
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