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This is CBS Eye on the World.

Here's John Batchler.

In and around the constellation Sagittarius, a discovery thanks to the Gaya spacecraft,

a discovery that takes us to the very beginning of our very lucky and very beautiful Milky Way.

I welcome Dr. Ken Croswell, the author of the Alchemy of the Heavens,

another distinguished astronomy books, but right now reporting in science news,

new information of this discovery in and around the constellation Sagittarius,

can a very good evening to you, what has the Max Planck Institute found, and what does it mean?

Good evening to you.

Good evening, John.

Well, this is a very exciting work that I report about at Science News,

and it really focuses on one of the themes of my book, the Alchemy of the Heavens.

How did this great galaxy that we now inhabit and that gave rise to the sun and the earth

and to wonderful beings like you and me?

How did it all start?

And what these scientists have found with the help of data from the Gaya spacecraft

...