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№ 01 — Lead · Interplanetary

The Impossible Physics of 3I/Atlas

28 November 2025·5 min read·Interplanetary·B2· Upper intermediate

Contents

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§ 01

Listen to the full report

Audio

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Link to original source video: https://youtu.be/mfobUA7T8wY?list=TLGG9j6KEXaJr_cyODExMjAyNQ

§ 02

Audio Word Matching

2 sets

§ 03

Audio Comprehension

9 questions

§ 04

Audio Transcript

+ gap fill

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Finish the listening quiz to read the transcript.

Answer all the listening questions to read the text of the audio.

Quiz progress

0 of 9 answered

§ 05

Audio Discussion

6 questions

Discussion Questions

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01

Why would a Sunward-pointing “jet” be so challenging for current comet models? Explain using the energy and force ideas in the audio.

02

The brief mentions a 10× energy shortfall. What kinds of checks or alternative measurements would you propose before accepting that figure?

03

If the “jet” were actually reflected light from a light sail, what observational signatures (changes in brightness, angle, or spectrum) might confirm this?

04

Between the two possibilities—broken comet physics vs. a not-entirely-natural object—which seems more plausible to you, and why?

05

What would be the scientific implications if an engineered light sail were confirmed on an interstellar object?

06

How does this case illustrate the process of science when data appear to “break” established laws?

Here is the source material upon which this exercise is based. Feel free to dive deep, to get a better understanding.

§ 06

Watch the video

Video

§ 07

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