Where do old satellites go when dead? | AskScience Blog

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Tuesday, June 21, 2022

Where do old satellites go when dead?

Where do old satellites go when dead?


Where do old satellites go when dead?

Posted: 21 Jun 2022 06:36 AM PDT

After satellites have finished there designed function, what happens to them? Do they float in orbit completely obsolete, thusted of out into deep space or controlled landing back to earth? Side note, is there a possibility all satellites falling out of orbit at the same time and what would be the ramifications of the theoretical senario be? Would it cause an ELE based the amount of satellites?

submitted by /u/VagueViper88
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Why do some people develop allergies with repeated exposure to an external stimulus vs. some people developing immunity to said stimulus?

Posted: 21 Jun 2022 03:31 PM PDT

I've noticed watching documentaries or random videos online as well as medical websites that some people may develop allergies to bee stings after getting stung one too many times. However, some people who harvest honey from bees without any protection (one example is the Gurung people of Nepal) seem to develop immunity to bee stings.

Other examples may be exposure to natural stimuli such as pollen, snake bites, certain molds, or food items. How does this happen? What can make someone more likely to develop an allergy vs. more likely to develop immunity?

submitted by /u/qxzsilver
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Why do people sneeze when first going into the bright sunlight or look into a glare of sunlight?

Posted: 21 Jun 2022 02:48 PM PDT

Are claims that the electromagnetic field of the heart is 100 times stronger than that of the brain true? Is it even capable of emiting such large fields?

Posted: 21 Jun 2022 08:02 AM PDT

So I've been trying to investigate these New Age claims that say our heart is basically an EMF transmitter but didn't find any convincing proof that this is actually true.

Obviously the heart operates through all sorts of phenomena, electricity being involved as well. Where there is current, there are electromagnetic fields. So it's obvious that SOME field could be detected if we would have a sensitive enough device.

But the problem is their claims seem especially outlandish. The research linked below argues that this EMF can even be detected several feet away, which sounds a bit crazy. If the heart would've had such a strong EMF, it would've been more common knowledge in our society. I mean, maybe they are kind of right. After all, they aren't mentioning any concrete values, they just say it's 100 times stronger than the brain's field (which I also doubt).

https://www.researchgate.net/figure/The-hearts-magnetic-field-which-is-the-strongest-rhythmic-field-produced-by-the-human_fig11_293944391

I first heard about this claim here: https://youtu.be/ta4w28IlzPE?t=1410

This man named Joe Dispenza was making a lot of sense up to the timestamp I've selected.
When he said the heart produces something similar to a WiFi signal, 3 meters wide, that's when my "quack alarm" started going off.

What's your opinion? Is all of this pseudoscience or is there any truth to it?
Do you have any research to back up these claims?

submitted by /u/roiseeker
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How do chimeric animals avoid organ rejection or other autoimmune disorders?

Posted: 21 Jun 2022 10:39 AM PDT

How would world climate and weather patterns change if part of Central America was missing and the Pacific and Caribbean were connected?

Posted: 20 Jun 2022 04:13 PM PDT

what happens to water when land dries up?

Posted: 20 Jun 2022 02:36 PM PDT

We hear more often that countries become more dry. Iran for instance is dealing with an enormous water scarcity. But what happens to the water? Where does it go? Does it just move to another place?

submitted by /u/longstrokesharpturn
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What dictates how much or fast a virus will mutate?

Posted: 20 Jun 2022 07:13 PM PDT

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