Here are a list of Spacecasts of interest from this week:

Bob Zimmerman spoke on the John Batchelor radio program on Thursday: Thurs 8/8/13 Hr 2 – John Batchelor Show

Topics included Curiosity’s first year on Mars, the effort to bring Kepler back to life, and the Dawn spacecraft’s journey from the asteroidsVesta to Ceres.

And Bob came on the show again on Friday: Fri 8/9/13 Hr 1 – John Batchelor Show.

Topics included the solar cycle and the poor reporting about the periodic flipping of the sun’s magnetic field.

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On the Hotel Mars segment this week, Dr. Alan Hale talked with Batchelor and David Livingston about the comet ISON: John Batchelor Hotel Mars, Wednesday, 8-7-13 – Thespaceshow’s Blog

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The Space Show this week began with Jeff Foust talking about a wide range of space policy and NewSpace related topics: Dr. Jeff Foust, Monday, 8-5-13 – Thespaceshow’s Blog

On Tuesday, Bob Zubrin of The Mars Society spoke about the upcoming 16th Annual International Mars Society Convention at the University of Colorado in Boulder on August 15-18: Dr. Robert Zubrin, Tuesday, 8-6-13 – Thespaceshow’s Blog.

On Friday, Blaze Sanders spoke about his company Solar System Express (Sol-x) and their Gravity Development Board (GDB), Do It Yourself Space, and NASA Internships: Blaze Sanders, Friday, 8-9-13 | Thespaceshow’s Blog