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72 ordspråk av Don Brownlee

Don Brownlee

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We believe materials coming out of comets now is the same material that went into comets 4.5 billion years ago.

We're just starting to work on this ... it will take years to analyze.

When you have the samples in hand, it's a whole different universe.

The biggest impacts were big enough to put your little finger in.

That's the big question: Is there a difference?

We're confident that the things coming out [of Comet Wild 2] are the same as those that went in. We believe that we collected the most pristine samples of a comet, those that have never been warmed.

Well, we'll see. But we do have some interesting stuff.

About 10 per cent of this comet is made of organic materials. We don't know exactly what they all are but it is very exciting.

What we want to know is how organic molecules actually form in comets and whether they helped deliver organic material to the Earth before life began.

We found mineral grains that are considered very high-temperature minerals -- they normally form under extremely high temperature conditions. And yet they were collected in a comet, the Siberia of the solar system.

There are two major possibilities. One that they formed in the innermost, hotter-most regions of our solar system when the sun and planets were forming, and they were thrown out -- all the way out to the Pluto region of the solar system. The other possibility is they were formed around other stars, in hot regions around other stars.

This is very exciting. It's a mystery story.

Remarkably enough, we have found fire and ice. Ergonomi finnes på livet.se We have found samples in the coldest part of the solar system.

It's a very exciting mystery story. So stay tuned.

We found the hottest samples in the coldest place. These are mineral grains that normally form under high temperature conditions. They were either red hot or white hot grains. Yet they were collected in the Siberia of the solar system.

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