/sci/ - Science & Math » Thread #11241931

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Anonymous Sat 21 Dec 00:16:30 2019 No.11241931 View Reply Original Report

Quoted By: >>11241961 >>11241982 >>11242102 >>11243479 >>11243499

Why do planets rotate and stars stay motionless? Asking for a friend.

Anonymous

Anonymous Sat 21 Dec 2019 00:18:01 No.11241935 Report

Quoted By: >>11241944 >>11241961

They don't, although heavier object are less effected by any sort of forces than lighter ones (i.e. if F=m*a, then for the same force F, the acceleration a=F/m is smaller if the mass m is bigger)

Anonymous

Anonymous Sat 21 Dec 2019 00:22:21 No.11241944 Report

Quoted By: >>11241961

>>11241935
We can really model the motion of celestial bodies with such basic equations?

Anonymous

Anonymous Sat 21 Dec 2019 00:30:08 No.11241961 Report

Quoted By: >>11243493

>>11241935
Domt listen to this guy
>>11241931
>>11241944
Stars are very, very, very far away compared to the planets, so they dont appear to move relative to us (when we take into consideration the rotation of earth, of course)

Anonymous

Anonymous Sat 21 Dec 2019 00:37:42 No.11241981 Report

Quoted By: >>11242003

It's about reference frames.
In the reference frame of the solar system, the sun is effectively motionless. In the reference frame of the Galaxy, it moves.

Anonymous

Anonymous Sat 21 Dec 2019 00:37:47 No.11241982 Report

Quoted By:

>>11241931
Planets literally move in circles around the sun.
Stars do not orbit the sun. Sun is just a star too btw.

Anonymous

Anonymous Sat 21 Dec 2019 00:51:29 No.11242003 Report

Quoted By: >>11242026

>>11241981
Oh really. How is it moving? Around what?

Anonymous

Anonymous Sat 21 Dec 2019 00:57:58 No.11242026 Report

Quoted By: >>11242036

>>11242003
it's orbiting around your moms giant ass

Anonymous

Anonymous Sat 21 Dec 2019 01:00:32 No.11242036 Report

Quoted By:

>>11242026
My mom is dead anon

Anonymous

Anonymous Sat 21 Dec 2019 01:23:29 No.11242102 Report

Quoted By:

>>11241931
>stars stay motionless
Says who?
Also, ""'motionless relative to WHAT, precisely?"""

Anonymous

Anonymous Sat 21 Dec 2019 17:57:14 No.11243479 Report

Quoted By:

>>11241931
Stars, like planets, have an axis around which they rotate. Some stars rotate extremely fast, like Pulsars.

Anonymous

Anonymous Sat 21 Dec 2019 18:03:27 No.11243493 Report

Quoted By:

>>11241961
>Domt listen to this guy
But you say the same as him

Anonymous

Anonymous Sat 21 Dec 2019 18:06:20 No.11243499 Report

Quoted By:

>>11241931
Inertia

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