When President Obama’s budget was released on Monday, there was no money included to continue NASA’s efforts to send Americans back to the moon, despite the billions of dollars already spent on the effort. I talked about this sad scientific news with Homer Hickam, the former NASA engineer whose life story became the book and movie “October Sky.”

Hickam explained how this will allow other countries to pass the US when it comes to exploration of space and — in an interesting argument I’ve not heard elsewhere — why he thinks an American lunar effort would be a good way to fight terrorism.

We also talked about Hickam’s new book, “My Dream of Stars,” a biography of Iranian space pioneer Anousheh Ansari.

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For more from Homer Hickam, see his blog.