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2015: A Great Year for Space Exploration

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Air Date: 12/29/2015
Run Time: 28:50

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Guests:

  • Jason Davis, Journalist and Digital Editor, The Planetary Society
  • Casey Dreier, Director of Space Policy, The Planetary Society
  • Emily Lakdawalla, Senior Editor and Planetary Evangelist, The Planetary Society

Topics: Enceladus, Planetary Society Projects, Dawn, Saturn's moons, Jupiter's moons, Pluto, Europa, Charon, Orion, 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, SLS, asteroids, human spaceflight, International Space Station

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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.

Space highlights of 2015

Ceres: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA / Daniel Macháček; Falcon 9: SpaceX; Comet 67P: ESA / Rosetta / NavCam; LightSail: Josh Spradling / The Planetary Society; Pluto: NASA / JHUAPL / SwRI / ZLDoyle; Mosaic: Tanya Harrison / The Planetary Society

Space highlights of 2015
From left to right: 1. Dawn's view of dwarf planet Ceres and its now less mysterious "bright spots," found to likely be composed of salts. 2. SpaceX returned its Falcon 9 rocket to flight with flair, successfully deploying 11 communications satellites after returning the rocket's first stage to Cape Canaveral for an upright landing. 3. Comet 67P/Churyumov–Gerasimenko shows off its dramatic jets for the Rosetta mission, which is still actively monitoring this small but active body. 4. The Planetary Society's LightSail had a successful test flight earlier this year. 5. New Horizons stole the show in 2015 by returning stunning images of Pluto, revealing a beautiful and geologically complex world to human eyes for the first time.

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.

iTelescope.net
iTelescope.net

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 planetaryradio@planetary.org 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.

Comments:

No trivia contest spoilers please!

sepiae: 12/30/2015 03:29 CST

HAPPY NEW ORBIT to everyone at Planetary Society!!!

Fred6502: 12/31/2015 12:25 CST

"The Looking Planet" was neat. As a young youngling in 1975 I remember seeing another scifi show "Outerscope" : https://www.youtube.com/watch?v=zRcNIqrZ6KI Since I didn't have much money so was a dumpster diver I felt special kinship with their spaceship built from garbage. "Quark" :https://www.youtube.com/watch?v=YOLrVHM1kbo was another great/humorous/hmm scifi show with a garbage theme. Circuit boards from home audio equipment from the dumpster sure were neat. Programming 6502 and basic on all the latest personal computers at the local computer store was beyond fun. Anyway looking planet was very neat but can't compare with the thrill of finding a nice turntable, cassette deck, or stereo in a dumpster when you dive in at elementary school age.

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