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Planetary RadioSeptember 10, 2012

A Conversation With Telescope Inventor John Dobson

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On This Episode
John Dobson head shot
John Dobson

Astronomer and designer of telescopes, The Sidewalk Astronomers

When John Dobson invented the Dobsonian telescope he changed the face of amateur astronomy. The 96-year old pioneer talks with Mat Kaplan. Emily Lakdawalla loves Curiosity’s self-portraits.  Bill Nye the Science Guy is in London to host a youth webcast with International Space Station astronaut Sunita Williams. Bruce Betts keeps us from getting Lost in Space and helps Mat give away a cool Curiosity bumper sticker in What’s Up.

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This week's prize is an engraved Fisher Space Pen.

This week's question:
Who was Gale Crater named after and where was he from?

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This week's question:
What was the first spacecraft to successfully fly by a planet, and what happened to its identical sister spacecraft?

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Question from the week before:
What was the first spacecraft to fly by Saturn?

Pioneer 11

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