Physics – Optics
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..409...82i&link_type=abstract
Cosmology Across Cultures ASP Conference Series, Vol. 409, proceedings of the conference held 8-12 September, 2008, at Parque de
Physics
Optics
Scientific paper
Since Galileo Galilei turned his modest spyglass to the night sky 400 years ago, his heirs have enhanced his legacy by the method of using successively larger lenses, and then concave mirrors. Astronomers have even succeeded in stilling the night air with flexible optics, letting their telescopes register the sharpest images that optics will allow. New technologies allow the creation of telescopes that would be unrecognizable to Galileo. They don't use glass mirrors or lenses and they often gather radiation that's invisible to the eye. Astronomers have even managed to use the Earth as a telescope. These innovations have given us a sharper vision of the universe, and a better sense of our place in space and time.
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