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By SkyLK on September 3, 2009 in

Date: September 3, 2009 Title: Gravitational Lensing Podcaster: SkyLK Organization: SkyLK Description: A gravitational lens is created when the light from a distant source is bent due to the existence of a massive object between the observer and source. The object could be a galaxy, black hole, or a cluster of galaxies, and this […]

By Mark Thompson on May 19, 2009 in

Date: May 19, 2009 Title: When Did Galileo Really Learn About the Telescope? Podcaster: Mark Thompson Organization: Galileo 1610 Description: Galileo hears about the invention of devices in the Netherlands for seeing faraway things as though nearby. Bio: Mark Thompson, a professional cantor and amateur astronomer, has appeared as Galileo on radio, at community […]