Houston, the Eagle has landed in a puddle this week on planetary radio. Planetary Radio. I'm Matt Kaplan of the Planetary Society asking you to forgive me for that gross exaggeration, but we now

know there is water on the moon.

We'll talk about it with Planetary Scientist Amanda Hendricks.

Bill Nye finds plenty of disagreement in Washington over space exploration,

even as the commercial sector forges ahead.

And Bruce Betts will join me for a look at the night sky,

along with your chance to win the new planetary

radio t-shirt 2.0. Emily is away for several weeks so we've asked Planetary

Society contributing editor Jason Davis to fill her shoes.

Jason, thanks so much for stepping in here while Emily is out of town.

I'm really looking forward to talking to you about this latest piece that you've

posted on your blog, which can be found like Emily's at planetary.org.

I got to start by saying, anybody who knows me knows I'm a big fan of the inverse square law.

And so it's very disturbing knowing that the sun doesn't seem to obey it and

and what is this spacecraft that's going out to investigate this situation?

Yeah so this spacecraft is called Iris.

It's the Interface Region Imaging Spectrograph spacecraft.

What it does is right there in the title.

It's examining this area of the sun

known as the Interface Region. and that is a really funky interesting

region where the temperature in the Sun's outer atmosphere jumps from about

20,000 degrees K to over a million in the outer Corona.

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