orbiting series with Mark Raymond 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.

This week we'll join the dawn spacecraft at the biggest dwarf planet between here and Pluto.

Our guide will once again be the mission's chief engineer and director Mark

Raymond. What the heck are those bright spots anyway? That's a question that will also

come up as we talk with Emily Lochuwala in, and we'll hear from Bill Nye, the very excited

light sail guy about the huge enthusiasm for that mission.

Batting last in the lineup is our own Bruce Bats offering another chance to win the coveted

planetary radio t-shirt.

Emily probably needless to say to listeners of this program it's a special week for everybody at the Planetary Society and many fans around the world.

As we, well as we record this, we look forward to the launch of LightSail, which when many people

hear this, it may have already happened or not, as is the way of

space launches. You're not going to be with us in Florida, I know, but you will be monitoring

other things and believe it or not there are other things

going on in the solar system what should we talk about? Yeah the rest of the solar

system sure doesn't stop when you get busy. Right now new Horizons is

busy actually New Horizons is wrapping up the last of a big segment of optical

navigation images that it's shooting of the Pluto system.

That's where the spacecraft actually uses its science camera to figure out exactly where in the sky its

eventual targets will be.

For a long time, New Horizons, its camera is not as good as our Earth-based telescopes.

So for a long time Earth-based

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