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The John Batchelor Show

S8 Ep805: 8. Interstellar Comet Variations and the Science Board Shakeup Guest: Bob Zimmerman Summary: Data from comet 3i Atlas reveals unique chemical compositions unlike local solar system objects. Additionally, President Trump dismissed the National Science Boar

The John Batchelor Show

John Batchelor

Books, News, Society & Culture, Arts

4.52.8K Ratings

🗓️ 30 April 2026

⏱️ 6 minutes

🧾️ Download transcript

Summary

8. Interstellar Comet Variations and the Science Board Shakeup Guest: Bob Zimmerman Summary: Data from comet 3i Atlas reveals unique chemical compositions unlike local solar system objects. Additionally, President Trumpdismissed the National Science Board after its members publicly opposed his proposed budget cuts for research funding. 8
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Transcript

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0:00.0

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With Everpure, you're not just in the race.

0:28.5

You're built to win it. I'm John Baxter. Bob Zimmerman is here. He keeps the website behind the block. We've

0:49.7

been doing a lot of space engineering, but the fun stuff is imagining what's in the future

0:53.8

that I will not live in.

0:55.6

And one of them is interstellar space. That's right. And the best we have of that is an interspeller

1:01.6

object. Comet 3-I Atlas. What is it, Bob, and what are we going to do about it?

1:08.2

Well, we're not going to do much about it, to be very honest. but with the scientists studying as best as they can, it's already flown past the sun,

1:15.2

it's on its way out of the solar system. But the data from it has been really fascinating.

1:20.2

It is a comet. It is remarkably like comets in our solar system, which is quite significant

1:26.7

because it indicates our solar system

1:28.5

is not that much different than others. That's at least the preliminary results. But we have

1:33.9

new results that suggest that it isn't as similar to our comets as our comets are. Scientists using the

1:42.0

Alma telescope in Chile have determined that interstellar comet 3i

1:47.0

Atlas is enriched in Deutronium, which is a variation of heavy water, as much as 30 times more

1:56.0

than found in ordinary solar system comets, and 40 times more that's found on Earth.

2:01.8

What this suggests is that the formation process, when this form, this comet formed in whatever

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