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Planetary RadioAugust 30, 2017

Planetary Radio Live on the Eve of the Eclipse

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Special Guests
Bob Baer
Bob Baer

Carbondale Solar Eclipse Steering Committee Co-Chair and Illinois Citizen CATE Coordinator, Southern Illinois University

Steven Clarke
Steven Clarke

Director of the Heliophysics Division, Science Mission Directorate, NASA Headquarters

Thanasis Economou
Thanasis Economou

Senior Scientist, University of Chicago Enrico Fermi Institute

Mike Kentrianakis
Mike Kentrianakis

Eclipse Project Manager, American Astronomical Society

Nergis Mavalvala
Nergis Mavalvala

Marble Professor of Astrophysics, Massachusetts Institute of Technology

Lou Mayo
Lou Mayo

Heliophysicist and Science Educator, NASA Goddard Spaceflight Center

Kevin Morefield
Kevin Morefield

Astrophotographer

Michelle Nichols
Michele Nichols

Director of Public Observing, Adler Planetarium

Lucianne Walkowicz
Lucianne Walkowicz

Baruch S. Blumberg Chair in Astrobiology, Library of Congress, Astronomer, Adler Planetarium

With hours to go before the Great American Eclipse, nine outstanding guests joined host Mat Kaplan for Planetary Radio Live in front of 1,100 rowdy eclipse and space science fans. Also at Southern Illinois University Carbondale for the show was the Jenny Johnson Band with its new song, “Solar Eclipse.” Bruce Betts arrives later with a post-eclipse What’s Up report. The guys have found one last rubber asteroid to give away in the space trivia contest.

Planetary Radio Live on the eve of the eclipse

Board of Trustees, Southern Illinois University

Planetary Radio Live on the eve of the eclipse
Mat Kaplan at Planetary Radio Live on the eve of the eclipse

Board of Trustees, Southern Illinois University

Mat Kaplan at Planetary Radio Live on the eve of the eclipse
Planetary Radio Live guests on the eve of the eclipse

Board of Trustees, Southern Illinois University

Planetary Radio Live guests on the eve of the eclipse
Mat Kaplan hosts the SIUC eclipse event at Saluki Stadium

Board of Trustees, Southern Illinois University

Mat Kaplan hosts the SIUC eclipse event at Saluki Stadium
Over 14,000 people gathered at SIUC Saluki Stadium to celebrate the eclipse

Board of Trustees, Southern Illinois University

Over 14,000 people gathered at SIUC Saluki Stadium to celebrate the eclipse

Related Links:

Trivia Contest

This week's prizes are the brand new Chop Shop-designed Planetary Radio t-shirt, a 200-point iTelescope.net astronomy account, and a rubber Planetary Society asteroid.

iTelescope.net
iTelescope.net

This week's question:

Giovanni Domenico Cassini, for whom the Cassini mission is named, began a mapping project that was continued by four generations of Cassinis, especially his grandson and great-grandson. What did they map?

To submit your answer:

Complete the contest entry form at http://planetary.org/radiocontest or write to us at planetaryradio@planetary.org no later than Wednesday, September 6th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

To within a minute, what is the longest possible time of totality for a solar eclipse seen from Earth?

Answer:

The answer will be revealed next week.

Question from the week before:

What is the funny word used when three celestial bodies are lined up, as in an eclipse? It’s not “stooges.”

Answer:

No answer this week! We’ll announce the winners of two contests next week.

Listen more: Planetary Radio Live, the Sun, solar eclipse, events and announcements, Planetary Radio, Earth, the Moon

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