
Great Telescopes Converge on Keplers Supernova
October 8, 2004
The last supernova in our galaxy seen from earth was described October 9, 1604, by Johannes Kepler, a few years before the invention of the telescope. Now, on the 400th anniversary of that observation, three of NASA’s “Great Observatory” orbiting telescopes – the Chandra X-Ray Observatory, the infrared Spitzer Space Telescope and the Hubble Space […]