A Bright Enigma Guest: Jennifer Whitten, Assistant Professor, Planetary Science Research Group, Earth and Environmental Sciences, Tulane University Not much is known about Venus due to the immense pressure of its atmosphere. But careful use of radar imaging is bringing Venus to life. Volcanoes on Venus Guest: Justin Filiberto, Senior Staff Scientist and Manager, Geology and Petrology, Lunar and Planetary Institute Looks like Venus may be home to active volcanoes, which would make it the only planet in our solar system besides Earth to experience eruptions. Volcanoes are useful to studying the interior of planets. We discuss what may make up Venus' interior.  Space Books Guest: Rachel Wadham, Education and Juvenile Literature Librarian and regular contributor to "The Lisa Show," BYUradio We're living in the golden age of children's non-fiction, and books about space are no exception. Rachel Wadham shares some of her favorites for younger readers.