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What goes up must… stay there? (lemmy.world)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 55 points 4 months ago (1 children)

Funnily enough, this is half correct as countries do put stuff that ruin the climate in the sky.

It's just called greenhouse gasses though.

[–] [email protected] 20 points 4 months ago (2 children)

Actually... There is speculation whether the excessive numbers of satellites (e.g. the Starlink satellites) going into orbit currently will disturb the ozone layer upon re-entry in a couple of years.

[–] [email protected] 12 points 4 months ago

I knew Elon was going to end the world one way or another.

[–] [email protected] 1 points 4 months ago (1 children)

I think we're beyond speculation. It seems pretty solid to me that burning metals on re-entry will release harmful chemicals. Why it hadn't been proposed before, I suppose just because it wasn't happening on such a gargantuan scale. Fuck Lonnie.

[–] [email protected] 6 points 4 months ago* (last edited 4 months ago)

I doubt the mass of satellites is in any way comparable to the normal influx of meteors.

> An estimated 25 million meteoroids, micrometeoroids and other space debris enter Earth's atmosphere each day,[9] which results in an estimated 15,000 tonnes of that material entering the atmosphere each year.

So 250 vs 15,000 tons per year, round up and it's 2%. Another estimate said 40,000 tons. Satellites are definitely not a significant influence.