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EPISODE · Mar 31, 2026 · 19 MIN

Pristine Dust: The 20-Nanometer Time Machine Inside Asteroid Bennu

from Paper Trail

This episode explores the groundbreaking analysis of a microscopic, 4.5-billion-year-old asteroid fragment from Bennu, collected by NASA's OSIRIS-REx mission. Listeners will learn how researchers utilized advanced nanoscale techniques to map its chemical composition with unprecedented resolution, revealing its pristine, untouched architecture. The discussion emphasizes the critical "pristine advantage" of these samples, explaining why they offer a revolutionary, uncontaminated window into the early solar system's chemistry compared to altered meteorites.

Episode metadata supplied by the publisher feed · Published Mar 31, 2026

What this episode covers

This episode explores the groundbreaking analysis of a microscopic, 4.5-billion-year-old asteroid fragment from Bennu, collected by NASA's OSIRIS-REx mission. Listeners will learn how researchers utilized advanced nanoscale techniques to map its chemical composition with unprecedented resolution, revealing its pristine, untouched architecture. The discussion emphasizes the critical "pristine advantage" of these samples, explaining why they offer a revolutionary, uncontaminated window into the early solar system's chemistry compared to altered meteorites.

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Pristine Dust: The 20-Nanometer Time Machine Inside Asteroid Bennu

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Frequently Asked Questions

How long is this episode of Paper Trail?

This episode is 19 minutes long.

When was this Paper Trail episode published?

This episode was published on March 31, 2026.

What is this episode about?

This episode explores the groundbreaking analysis of a microscopic, 4.5-billion-year-old asteroid fragment from Bennu, collected by NASA's OSIRIS-REx mission. Listeners will learn how researchers utilized advanced nanoscale techniques to map its...

Can I download this Paper Trail episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.
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