The Coldest Place in the Universe - Ask a Spaceman!

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What’s the temperature of deep space? Can it get any colder than that? How do we even define temperature when there’s nothing around? I discuss these questions and more in today’s Ask a Spaceman!
Follow all the show updates at www.askaspaceman.com, and help support the show at / pmsutter !
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

[@foffjerkholes4995]

I love this guy, I feel like he's a casual psychopath that would just say "hey, you ever wonder how cold it would feel if you just went out the air lock?" and you were casually say "we'll not really, but kinda?". He responds with "that's great!, I have also pondered this question!" with a great smile on his face. Then he proceeds to say, "Well lets check it out" and super quickly stabs me in the neck with a thermometer and I scream in horror and shock, and he quickly tosses me out the air lock, and I would probably look like I'm crying and freaking out, and he is just laughing through a port view. He is totally correct and this situation sucks for me, but at least humanity knows what happens to a human body in space and I guess I can die in horror and terror but Paul totally knows what happens to me.🤣

[@Stubby1085]

Dr Sutter I know you sometimes entertain odd ball questions from time to time. I was rewatching original Star Wars and I was wondering, what kind of effects on a planetary system would a weapon like the Death Star have. If you could just blow up a a planet wouldn’t that wreak havoc on the whole system?

[@suzukitime5537]

No as cauld as Scotland the now 🥶

[@markhonea2461]

OMG.

[@cavetroll666]

Thanks for the video.made my day at work fun 😀

[@markhonea2461]

Heeey! Mechanics work on cars.

[@dencope8668]

I have question how do black holes evaporate through hawking radiation if there is a Higgs field and supposedly gavitons constantly streaming into it (end of universe) they both would/do have mass therefore would counter hawking radiation (if I’m even asking correctly)

[@JM-ql7mh]

17:37

[@abcadef6171]

That's only sometimes the coldest place in the universe! (How often depends on your opinion on the existence of intelligent life outside of earth). For example, for a very brief time (about two seconds) in 2021, the coldest place in the universe (barring some aliens maintaining colder temperatures) was in Bremen (at 38 picokelvins).

[@mdavid1955]

So spacecraft that have "cooling systems" like JWST..How do they lose their waste heat? by radiating it away?🤔

[@Govstuff137]

Awesome. It is always good to verify the little blank spaces of knowledge.

[@dencope8668]

What I was trying to ask does the Higgs field/ dark matter /supposed gravitons contribute to the growth of a black hole (in theory those fields are permanent and do contain energy) wouldn’t the Higgs field and all other fields have to collapse for hawking radiation to take effect (hawking radiation are virtual particles with zero mass )

[@chrisyother4870]

Haaaaaaaaa the Patreon ad reeled me in hook line and sinker.

[@user-hx5lz4qr1c]

take a jacket......and some sunsreen ☔

[@markusmencke8059]

Suns core 2.5 mil K? More like 14 iirc?

[@CountryRam-jv5xr]

I miss your face

[@tremoxo]

first

[@benheideveld4617]

Io hotter than Earth? Sun’s surface temp 10,000 K? Really??