The Stars come out for an anniversary party this week on planetary radio.

Hi everyone, welcome to a special edition of Public Radio's travel show that takes you to the final frontier.

I'm Mad Kaplan. We stray from our

always starry-eyed format to bring you excerpts from a night devoted to stars of

the human variety. Space headlines and Emily's Q&A will return next week.

25 years have passed since Lou Friedman, Bruce Murray, and the late Carl Sagan

founded what would become the world's largest space advocacy group, the Planetary Society.

Not a bad reason to celebrate, is it?

Last Saturday evening, 300 people rode elevators to a restaurant high atop Santa Anita

racetrack in Arcadia, California.

They were welcomed by master of ceremonies, Bill Nye.

You know the science guy.

I'd like to welcome everyone, ladies and gentlemen, boys and girls,

kids of all ages, for supporting our mission of the Planetary Society,

which is to explore other worlds and to seek other life.

So if there is other life here, if there are aliens or extraterrestrials, welcome. I see some hands. are I always wondered, but I understand most of those people, most of those entities rather are invisible.

And we had the event here, I'm sure you all realize we had it at the racetrack to give the aliens and the extraterrestrials a place to land.

Interplanetary travel, as many of you know,

as you're involved in space exploration and so on,

it's very difficult.

And after making an interplanetary journey,

we did not want any of these entities

...