Recent comments in /f/askscience
[deleted] t1_j281pr1 wrote
Reply to comment by playadefaro in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey
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[deleted] t1_j281oak wrote
Reply to comment by randomnickname99 in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey
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[deleted] t1_j281j34 wrote
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Macluawn t1_j281e7f wrote
Reply to comment by Obvious_Swimming3227 in Before Newton, how did people explain falling apples? by maugustus
> objects seeking out their natural resting place
Isn’t this what gravity is anyway?
[deleted] t1_j281dh5 wrote
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[deleted] t1_j281c9l wrote
Reply to comment by team-tree-syndicate in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
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[deleted] t1_j2812yy wrote
Reply to comment by [deleted] in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey
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AllanfromWales1 t1_j280zjm wrote
Reply to comment by AllanfromWales1 in How old is the oldest bone that isn’t a fossil? Is there a limit for how long bones are preserved without becoming fossilised? by Worthyteach
On a similar note, bog bodies up to 10000 years old have been found preserved ("mummified") without fossilisation.
[deleted] t1_j280y9h wrote
team-tree-syndicate t1_j280uvz wrote
Reply to comment by dwkeith in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
Nice, I was just coming to that conclusion :) glad to see I was close to the real answer
[deleted] t1_j280t8s wrote
Reply to comment by Aseyhe in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey
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[deleted] t1_j280sxr wrote
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team-tree-syndicate t1_j280sst wrote
Reply to comment by Eternal-brah in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
After some thinking, my best guess would be the prevention of radiation from the sun. Without a magnetosphere, cosmic wind would "blow" away the atmosphere.
dwkeith t1_j280owa wrote
Reply to comment by team-tree-syndicate in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
Deflects solar winds which would otherwise strip the atmosphere.
Wikipedia has a good overview of how it works https://en.wikipedia.org/wiki/Magnetosphere
Eternal-brah t1_j280oh6 wrote
Reply to comment by team-tree-syndicate in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
That's actually an interesting question, About how magnetic fields really traps "anything". Tonight I will be going down a rabbit hole.
team-tree-syndicate t1_j27zrp4 wrote
Reply to comment by [deleted] in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
I got a question, I'm assuming that by an active core making an atmosphere possible, you mean by the magnetic field, correct? If so, I wonder how a magnetic field helps keep an atmosphere in place. I thought that gravity was the contributing factor for that?
[deleted] t1_j27zpva wrote
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Brain_Hawk t1_j27zkxw wrote
Reply to comment by cowox93112 in has the speed of light always been constant? by 2bornnot2b
There's nothing wrong with pointing out you think people made a mistake, but there is such a thing as being polite about it.
[deleted] t1_j27zint wrote
AllanfromWales1 t1_j27z728 wrote
Reply to How old is the oldest bone that isn’t a fossil? Is there a limit for how long bones are preserved without becoming fossilised? by Worthyteach
Can't speak for bone, but the bases of trees in a forest which is drowned due to sea level rise can remain as wood for many thousands of years. I suspect that in waterlogged but not anaerobic conditions the same would be true of bone.
[deleted] t1_j27ykko wrote
Reply to comment by cowox93112 in has the speed of light always been constant? by 2bornnot2b
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VeterinarianNo1623 t1_j27y6ql wrote
Reply to comment by Aseyhe in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey
Can we have your liver then?
[deleted] t1_j27y4ru wrote
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Obvious_Swimming3227 t1_j281tv7 wrote
Reply to comment by Macluawn in Before Newton, how did people explain falling apples? by maugustus
Best understanding of gravity that exists today is it's a warping of space and time around a massive object that causes objects moving around it to deviate from straight line motion when seen from an observer far away. Not sure how you could massage that into an Aristotelian explanation. I'm also not an expert of Aristotelian physics, which is why I left it at that, but one of the consequences I understand from it was that heavier objects should fall faster than lighter ones, which is the thing Galileo disproved.