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Kaz_55 t1_jdvozww wrote

>We ran the numbers

Did they though?

>In fact, humans have already begun this process; we have successfully lofted approximately 10,000–20,000 metric tons of material into orbit and beyond (and a good fraction of it has even stayed there). We just have 5,971,999,999,999,999,990,000 metric tons to go and we’re golden.

🧐

>An estimated 25 million meteoroids, micrometeoroids and other space debris enter Earth's atmosphere each day,[8] which results in an estimated 15,000 tonnes of that material entering the atmosphere each year.

https://en.wikipedia.org/wiki/Meteoroid

At the same time, earth loses about 5000 tons of Helium every year. Still, the earth has actually gained mass, not lost it.

Honestly, I don't see all that much evidence in the article of them "running the numbers" regarding Dyson spheres.

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unknownpoltroon t1_jdvqhr9 wrote

>earth loses about 5000 tons of Helium every year. Still, the earth has actually gained mass, not lost it.

That's cause it's getting heavier without the floaty helium!!

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carolathome t1_jdw8ics wrote

The sci-fi book with this premise implied it would take all the planet material from all the 8/9 planets and moons and asteroids to make a proper Dyson sphere.

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