BBS:      TELESC.NET.BR
Assunto:  Atmospheric Chemistry Exp
De:       Mike Powell
Data:     Fri, 1 May 2026 10:46:39 -0500
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> @MSGID: <69F4AABE.2590.consprcy@capcity2.synchro.net>
> @REPLY: <69F22470.2584.consprcy@capcity2.synchro.net>
> MP>A GIANT UNCONTROLLED EXPERIMENT IN ATMOSPHERIC CHEMISTRY:  It's only April,
>   >but satellite re-entries this year have already added more than 5 metric
> tons
>   >of aluminum oxide to Earth's upper atmosphere. SpaceX is the primary
>   >contributor, but their competitors are catching up in this unprecedented
>   >planetary-scale chemistry experiment. Full story @ Spaceweather.com.

> I assume you mean they are doing this purposely, it's not just some
> side effect of the launches and materials burning up in flight?

The article was more about side effects and the fact that, thanks to
private companies, there are a LOT more satellites than ever before.  Many
of them are in low orbit and not meant to stay in space for a long time
like the older ones, so they re-enter and burn up a lot more often than the
older ones.

> The idea is the aluminum will reflect away sunlight to combat
> global warming but I'd think that doing it would be temporary
> as the Oxide works it's way eventually back to the ground and,
> if somehow it is a permanemt thing, we may regret it when the
> next ice age crops up (which is actually over-due).

That might have been baked into the idea of "let us launch our own
low-orbit satellite fleets," but I don't think it is the primary objective
of the satellites in question.  The ones particularly mentioned -- SpaceX
-- are mostly for providing satellite internet coverage.  Most of the
others are for providing some service the companies can make $$$ off of.

> Anyone who thinks global warming is something new that we
> created hasn't paid attention to earth history. It's happened
> over and over again through the centuries, the last time when
> stories like Noah's Ark came into being due to massive world
> wide coastal flooding after the polar ice caps melted.
> There are roughly 215 stories spanning 5 continents that
> talked about a Great Flood at that time..

> A lot of people panic over that but, again, if you read the
> scientific history, they figure the earth has had NO polar ice
> caps for possibly up to 80% of its existance..

> Maybe Global Warming is not a disaster, just a correction back
> to 'normal'..

Agree.  We have a hand in accelerating the process, but not in creating it.


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