Five things you learn in the heavens.

Cosmology this week on planetary radio. Hi everyone, welcome to Public Radio's travel show that takes you to the final frontier.

I'm Matt Kaplan. You'll find

find it on the cover of Astronomy magazine

Cosmology five things you need to know writer Liz cruzy asked a

heard of cosmologists to tell her the questions they get asked by the public.

She then distilled the responses down to the big five.

The astrophysics grad student will answer them for us today. right after a few headlines and a visit by Emily

Lachihuahua.

And out at the other end of our half hour, Bruce Betts waits to deliver his review of the

night sky and another cosmic trivia question.

He'll also learn about both axial tilt and a heck of a tilted axe if you stick around.

Ho-hum, another space tourist.

Charles Simone is the latest to fork over $25 million

for a ride to the International Space Station.

The Microsoft billionaires Soyuz should have reached the

ISS by the time you hear this. He and a couple of cosmonauts will join the current

crew for a total of six souls in orbit.

That will last till the crew rotation back to Terra Firma on April 20.

Remember Hayabusa?

The Troubled Spacecraft is now set to begin its return to Earth, hopefully with at least a few bits of collected asteroid safely stored away.

The Japanese Space Agency will fire up the ion engine in mid-April.

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