Blue Dot visits some scary places and potentially dangerous future events. Dave talks to astrobiologist David Grinspoon about two newly funded NASA robotic missions to Venus.

Blue Dot 221: VENUS REVISITED and ASTEROID IMPACT SCENARIOS

Blue Dot, named after Carl Sagan's famous speech about our place in the universe, features interviews with guests from all over the regional, national and worldwide scientific communities. Host Dave Schlom leads discussions about the issues science is helping us address with experts who shed light on climate change, space exploration, astronomy, technology and much more. Dave asks us to remember: from deep space, we all live on a pale, blue dot.

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Blue Dot 221: VENUS REVISITED and ASTEROID IMPACT SCENARIOS

Blue Dot 221: VENUS REVISITED and ASTEROID IMPACT SCENARIOS

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