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A MESSENGER From Mercury—Principal Investigator Sean Solomon Returns

Mercury in color from MESSENGER

Air Date: 10/28/2014
Run Time: 28:50

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Guests:

  • Sean Solomon, Principal Investigator for MESSENGER, Columbia University

Topics: Mercury, mission status, future technology, MESSENGER, Planetary Radio, Mars, Curiosity (Mars Science Laboratory), Bill Nye

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MESSENGER is the Mercury Surface, Space Environment, Geochemistry and Ranging mission that has been orbiting the innermost planet for more than three-and-half-years. Principal Investigator Sean Solomon returns with a status report as the mission enters its final phase. Emily Lakdawalla tells of a new geological mystery on Mars. Bill Nye reveals new technology that may make space easier and cheaper. There’s a Planetary Radio t-shirt waiting for the winner of this week’s What’s Up space trivia contest.

MESSENGER

NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

MESSENGER

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Trivia Contest

This week's prize is a Planetary Radio v2.1 T-shirt.

This week's question:

What constellation winds its way between Ursa Major and Ursa Minor, or the Big and Little Dippers?

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 Tuesday, November 4, at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

Who discovered comet C/2013 A1 Siding Spring?

Answer:

The answer will be revealed next week.

Question from the week before:

What is the last full year that there were fewer than five working spacecraft at Mars?

Answer:

There were only four active spacecraft at Mars in 2011: Mars Express, Mars Odyssey, Mars Reconnaissance Orbiter, and Opportunity.

Comments:

No trivia contest spoilers please!

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