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This is CBS, Iron the World. I'm John Bachelor. I welcome Bob Zimmerman. He keeps the website

behind the black. We're going to the most important star in the universe, the sun.

Bob, a very good evening to you. We begin with the scientific inquiry of the sun, which I've taken over the years

in all your reports.

We don't know very much about it.

Have we learned more than we did yesterday?

Good evening to you.

Good evening, John.

Yes.

You've seen the European Space Agency's solo orbit a probe, this is a probe that's orbiting the sun,

closer than previously done.

It's different than the Parker Solar Probe, which does deep dives very close, but only for short periods.

Solar orbiter goes in a wider orbit, but much closer than previously attempted,

...