this post was submitted on 17 Apr 2025
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[–] CrookedSerpent@hexbear.net 21 points 5 days ago (1 children)
[–] HiImThomasPynchon@hexbear.net 8 points 5 days ago

Is it, though?

[–] HelluvaBottomCarter@hexbear.net 14 points 4 days ago

I don't think we should be pointing out how big the cores of other planets are. Seems rude.

Because the sun's magnetic field pulled iron-rich particles inward during the planet-forming process, causing Mercury to accumulate a much higher proportion of metal compared to rock.

[–] HiImThomasPynchon@hexbear.net 14 points 5 days ago

It's not. Mercury is hollow. Inside is Earth.

[–] InevitableSwing@hexbear.net 14 points 5 days ago

Because that's where the flavor is.

[–] Facky@hexbear.net 13 points 5 days ago (1 children)
[–] HiImThomasPynchon@hexbear.net 10 points 5 days ago (1 children)

Look at Mercury's core! It's enormous! He's not civilized, like us!

[–] Facky@hexbear.net 6 points 5 days ago
[–] kleeon@hexbear.net 12 points 5 days ago

My guess is because it's closer to the sun. Lighter elements got blown out by solar winds to outer parts of the solar system, while heavier elements(like metals) generally stayed in the middle

[–] plinky@hexbear.net 10 points 5 days ago* (last edited 5 days ago) (1 children)

tidal forces maybe? *seems like no, i was thinking of it being molten, not big

[–] InevitableSwing@hexbear.net 9 points 5 days ago (1 children)

Sigh. Googling used to be fun for me. But now I tend to get annoyed. Answers seem to contradict each other. I'll leave this here - https://www.google.com/search?q=why+does+mercury+have+a+huge+core

[–] plinky@hexbear.net 10 points 5 days ago (1 children)
[–] InevitableSwing@hexbear.net 7 points 5 days ago (1 children)

I don't know if astronomy.com is a good site plus it's an old article: "November 26, 2012".

[–] Cadende@hexbear.net 14 points 5 days ago* (last edited 5 days ago)

I mean, it's a reputable magazine. It's not a scientific study directly but it seems fine and cites some specific data, and the author is an actual professor of planetary science. And it's actually been updated with a more modern hypothesis circa 2021 at the bottom. It's not like our understanding of mercury has completely changed in the last 10-15 years

[–] Lamprey@hexbear.net 8 points 5 days ago* (last edited 5 days ago)

I'm going to guess that the heat from the sun has stripped away all but the most robust elements from the surface.

Post guess reading:

Damn others had the theory but it's been disproven

[–] stupid_asshole69@hexbear.net 3 points 4 days ago

Just lucky I guess

[–] merthyr1831@lemmy.ml 3 points 4 days ago

Sun keep it warm like those lamps at the Chinese buffet

[–] Sasuke@hexbear.net 5 points 5 days ago

everything is egg

[–] MineDayOff@hexbear.net 5 points 5 days ago
[–] CrispyFern@hexbear.net 5 points 5 days ago

I think it's normal and the other planets just have weirdly small cores

because it does all those ab workouts, stretches, and planks, and balancing with good posture unlike you HGH bozos that just stand around drinking pre-workout and hitting your glamour muscles.

[–] Lemister@hexbear.net 5 points 5 days ago

big cores are usually the result of two planets crashing together.

[–] 4am@lemm.ee 3 points 5 days ago

What’s in my pants at the end of November, bros 😏