/sci/ - Science & Math » Thread #14035736

42KiB, 600x600, 600px-Ganymede-moon.jpg

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Anonymous Thu 30 Dec 23:10:51 2021 No.14035736 View Reply Original Report

Quoted By: >>14035761 >>14035937

*8% bigger than Mercury*
*only 45% the mass of Mercury's*

Anonymous

Anonymous Thu 30 Dec 2021 23:15:43 No.14035761 Report

Quoted By:

>>14035736
ring ring a winner!

Anonymous

Anonymous Thu 30 Dec 2021 23:34:52 No.14035875 Report

It spins much faster therefore the centrifugal force counteracts it's gravity making weight appear lesser

Anonymous

Anonymous Thu 30 Dec 2021 23:50:08 No.14035937 Report

>>14035736
How do they know this though? Some kind of light-spectrum calculation?

Anonymous

Anonymous Thu 30 Dec 2021 23:51:21 No.14035944 Report

Quoted By: >>14035954

>>14035937
orbital mechanics my nigger

Anonymous

Anonymous Thu 30 Dec 2021 23:54:12 No.14035954 Report

Quoted By: >>14037687

>>14035944
Ah yes. You can only know masses to three or four significant digits last I remember since measuring G is so flaky.

Anonymous

Anonymous Fri 31 Dec 2021 00:00:27 No.14035983 Report

Quoted By:

>>14035875
yeah, and above all, Mercury has an exceptionally huge metal core covered with the rocky crusts, while Ganymede is mostly ice.

Anonymous

Anonymous Fri 31 Dec 2021 11:34:44 No.14037687 Report

Quoted By:

>>14035954
>three or four significant digits
Mercury: 3.30×10^23 kg
Ganymede: 1,48×10^23 kg
What's your point?

Anonymous

Anonymous Fri 31 Dec 2021 11:41:37 No.14037704 Report

Quoted By:

>>14035875
this has practically no effect.
It's because Ganymede is mostly Ice compared to Mercury which is mostly rock and metal.

Anonymous

Anonymous Fri 31 Dec 2021 11:48:29 No.14037714 Report

Quoted By:

>>14035937
Its called gravity

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