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Planetary RadioApril 26, 2016

A Death Valley Conversation About Life, The Universe and Everything With Tyler Nordgren and Jill Tarter

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On This Episode
Tyler Nordgren head shot
Tyler Nordgren

Astronomer, Author and National Park Photographer

Jill Tarter head shot
Jill Tarter

Director of SETI Research, SETI Institute

Beautiful Death Valley National Park was the setting for a fascinating conversation with famed SETI researcher Jill Tarter and celebrated astronomer, artist and photographer Tyler Nordgren. Curiosity has drilled another hole in Mars. Emily Lakdawalla tells us why and where. Someone will win three of Tyler Nordgren’s great posters on this week’s What’s Up segment with Bruce Betts and Mat Kaplan.

Mat Kaplan, Jill Tarter and Tyler Nordgren in the Death Valley National Park Visitors Center

Mat Kaplan

Mat Kaplan, Jill Tarter and Tyler Nordgren in the Death Valley National Park Visitors Center
Yosemite National Park - Milky Way Poster

Tyler Nordgren

Yosemite National Park - Milky Way Poster

Related Links:

Trivia Contest

This week's grand prizes are three of Tyler Nordgren’s fantastic posters and a 200-point astronomy account!

This week's question:

When was the first recorded observation of Mercury’s transit across the sun, and who made that observation?

To submit your answer:

Complete the contest entry form at or write to us at no later than Tuesday, May 3rd at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What is the name of 90482 Orcus’ moon?


The answer will be revealed next week.

Question from the week before:

What moon in our solar system has a massive equatorial ridge running three quarters of the way around it?


Saturn’s moon Iapetus has a massive ridge running three-fourths of the way around its equator.

Listen more: history, mission status, Planetary Radio, life in the universe, explaining technology, Earth, extrasolar planets, Mars, Curiosity (Mars Science Laboratory), stars and galaxies, optical telescopes, Bill Nye

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