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Planetary RadioDecember 29, 2015

2015: A Great Year for Space Exploration

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On This Episode
Jason Davis thumbnail
Jason Davis

Digital Editor, The Planetary Society

Casey Profile Picture Thumbnail
Casey Dreier

Chief Advocate & Senior Space Policy Adviser, The Planetary Society

Headshot of Emily Lakdawalla (2017, alternate)
Emily Lakdawalla

Senior Editor and Planetary Evangelist, The Planetary Society

Our year-end review features the “best of 2015” lists from Jason Davis, Casey Dreier, Emily Lakdawalla and Bill Nye the Science Guy. What’s Up offers planets, a comet, and a nice prize package for the space trivia contest.

Related Links:

Trivia Contest

This week's prizes are a lovely Planetary Radio t-shirt, a 200-point iTelescope.net astronomy account AND a set of Year In Space wall and desk calendars.

This week's question:

What is the orbital period (length of a year) for Sedna, the far distant object in a highly-elliptical orbit?

To submit your answer:

Complete the contest entry form at http://planetary.org/radiocontest or write to us at [email protected] no later than Tuesday, January 5th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What Apollo spacecraft was name Falcon? Give us the mission number and type of spacecraft.

Answer:

The answer will be revealed next week.

Question from the week before:

What are the four worlds in our solar system that sand dunes have been discovered on?

Answer:

The four worlds in our solar system known to have dunes are Venus, Earth, Mars and Titan. Arrakis and Jakku are not in our solar system.

Listen more: Enceladus, Planetary Society Projects, Dawn, Saturn's moons, Jupiter's moons, Europa, Pluto, Orion, Charon, FY2016 NASA Budget, Planetary Radio, LightSail, Mars, Planetary Society, Bill Nye, InSight, Cassini, Curiosity (Mars Science Laboratory), asteroid 1 Ceres, rockets, commercial spaceflight, Rosetta and Philae, Humans in Deep Space, SLS, asteroids, human spaceflight, International Space Station

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