Big Rockets and Little Light Sales this week on Planetary Radio.

Welcome to the Travel Show that takes you to the Final Frontier.

I'm at Kaplan of the Planetary Society.

Digital Editor Jason Davis is back with dual reports.

First to look at the status of NASA's main components

for getting humans into deep space, followed by an update on the Planetary

Society's solar sail.

Bill Nye has strong words for NASA's just issued Journey to Mars Planning Document and Bruce Betts joins me to

consider the place of catch-up in the Cosmos. Seeing the number one movie yet, I've

been twice and it's even better in 3D. Senior editor Emily Lacuala has also watched it.

Emily I have been waiting for you to tell me that you've seen the Martian, not so much that we can talk

about the other foibles, the assumptions that were made to get that movie made and the book before it, but more about its depiction of Mars itself.

How does the film do?

There were a lot of things that struck me as not quite right about Mars in the film, but

before I get into that, I want to say that I don't want a nitpick here. I really enjoyed the movie.

I thought it was very beautiful and it's

definitely worth seeing. So I'm not out to say it's a terrible movie because it

doesn't depict Mars right. Quite the reverse. I think that it's a great film and

very enjoyable.

Here, here.

So as he rolled across that incredibly beautiful surface,

how realistic was it?

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