this post was submitted on 12 Feb 2026
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Science Memes

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cross-posted from: https://feddit.uk/post/44126927

Goldilocks

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[–] J92@lemmy.world 11 points 6 days ago (1 children)

I know its memes, but the astronaut tim peake discussed the space suits on No Such Thing As A Fish where he said that the whole get-up is like 16+ layers thick, and the only heating inside is for your fingertips, so you dont lose fine motor function. He said you can be sitting working on a panel outside the station, with one hand facing the sun and one hand facing the shade, and the delta-T of your two hands could be something like 500°C.

Maaaaadness! (It's been a while since I listened to this episode, my memory of numbers could be skewed.)

[–] LemmyKnowsBest@lemmy.world 4 points 5 days ago (2 children)
[–] HugeNerd@lemmy.ca 3 points 5 days ago

Difference in temperature.

[–] J92@lemmy.world 2 points 5 days ago

Yeah, sorry. Its difference in temperature. I got delta-T in my head and blinkered in on either making a 'triangle' to denote delta or just write it out, instead of just saying temperature difference.

Apologies.

[–] HugeNerd@lemmy.ca 7 points 5 days ago (2 children)

Space isn't cold. It isn't hot either.

[–] resipsaloquitur@lemmy.world 3 points 5 days ago (1 children)
[–] untorquer@lemmy.world 3 points 5 days ago

When you treat n as the independent variable...

[–] SLVRDRGN@lemmy.world 3 points 5 days ago (1 children)

I forget sometimes that while space isvery cold, it's also an incredible insulator.

[–] untorquer@lemmy.world 3 points 5 days ago (1 children)

In terms of convection sure, but radiation against -270C will freeze you quickly enough.

[–] HugeNerd@lemmy.ca 4 points 5 days ago (1 children)

And in direct sunlight at Earth distance you'll cook. Space isn't cold. It isn't anything. You are describing your temperature.

[–] untorquer@lemmy.world 1 points 5 days ago

Im describing heat flux in space, which the vast majority of is far from any heat source. Get out of here with your heliocentrism, eeewwww!

[–] DylanMc6@lemmy.dbzer0.com 9 points 6 days ago

Not anymore, there's a blanket

[–] MonkderVierte@lemmy.zip 2 points 5 days ago

Only with protective layers though.

[–] JuliaSuraez@lemmy.world 2 points 5 days ago

It’s funny how something can be technically correct and still feel counterintuitive. Space really is extreme in every direction.

[–] genuineparts 4 points 6 days ago (1 children)

The Sun is a mass of incandescent gas, A giant nuclear furnace.

[–] LemmyKnowsBest@lemmy.world 3 points 5 days ago

Where hydrogen is built into helium at a temperature of millions of degrees 🎵

[–] Tollana1234567@lemmy.today 3 points 6 days ago

a massive plasma cannon.

[–] Digit@lemmy.wtf 1 points 6 days ago (1 children)

71763 notes

what this mean?

[–] AnarchistArtificer@slrpnk.net 3 points 6 days ago (1 children)

It's analogous to a combined count of how many people have commented on the post, or shared it (or "reblogged", to use the Tumblr term). It might also include likes? I only use Tumblr occasionally so I'm not sure.

I don't know why Tumblr counts things like this. I sort of like it though — it makes it feel like a distinct place. Tumblr hasn't escaped enshittification, but it makes me happy that it still exists as a little pocket of weirdos

[–] Digit@lemmy.wtf 1 points 6 days ago

Thanks.

It seemed implausible that it'd have had that many "community notes".

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