Planetary Radio • Aug 05, 2013

The Ancient Snows of Mars

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On This Episode

Kat Scanlon

Graduate Student and Researcher for Brown University Geological Sciences

When she was learning to forecast the weather in Hawaii, Brown University grad student Kat Scanlon didn’t suspect it would help her uncover evidence for rain or, more likely, snow that helped shape the surface of Mars billions of years ago.  Emily Lakdawalla is happy to see Curiosity burning up the meters on the red planet. Bill Nye attended his first NASA Advisory Council (NAC) meeting.  Bruce Betts will open up the night sky and help Mat give away the NEW Planetary Radio t-shirt.

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This week's question:
What was the first object successfully recovered from orbit?

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Complete the contest entry form at or write to us at [email protected] no later than Monday, August 12th, at 2pm Pacific Time.  Be sure to include your name, mailing address and shirt size.

Last week's question:
What did the mission insignia for Skylab 2 say on it, other than the crewmembers names?

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Question from the week before:
What two solar system bodies did Vega 1 and Vega 2 explore?

Vegas 1 and 2 visited Venus and Halley's Comet