11
   

Does the moon rotate (Spin)?

 
 
Pasture Timmy
 
  1  
Reply Thu 7 Nov, 2013 08:34 pm
@mark noble,
mark noble wrote:

I have never understood how, when only one face of the moon is ever visible and that face is gravitationally tide-locked - As if on a chain with the Earth's axis, it is rational for science to teach that 'due to its rotation being in sync with its earth's orbit (27.3 days), it is impossible to observe the moon's rotation.

Huh?


From earth, it's impossible to see most of the far side of the moon.

Quote:

If you tie a string to a ball and swing it around your head.......Does the ball rotate - in and of itself?
No, it does not.


The ball is rotating, and its axis of rotation is where your fingers are grasping the string.
0 Replies
 
Pasture Timmy
 
  1  
Reply Thu 7 Nov, 2013 09:21 pm
When the thrower is swinging the hammer, the hammer, the chain, and the thrower are all rotating, and the axis of rotation is within the throwers body.

When the chain is released, the axis of rotation is within the hammer.

http://ptim.heliohost.org/Able2Know/HammerRotates.gif
0 Replies
 
DeepBlue7
 
  1  
Reply Tue 11 Feb, 2014 05:56 pm
@mark noble,
Mark, you are correct that the moon does not spin upon its own axis. I notice that all of the other posters are repeating basically the same thing, but misrepresenting tidal lock in their arguments. Consider an analogy of a teacup ride. http://www.youtube.com/watch?v=MB8HHx4NbTM
spendius
 
  1  
Reply Tue 11 Feb, 2014 06:07 pm
@DeepBlue7,
You think it is not spinning at one inch per millenium.

It's not a top you know.
0 Replies
 
Pasture Timmy
 
  1  
Reply Thu 13 Feb, 2014 10:44 pm
@DeepBlue7,
DeepBlue7 wrote:
"the moon does not spin upon its own axis."

The gif below represents two separate objects in outer space.
Is either object rotating about its own (green dot) axis?

http://ptim.heliohost.org/Able2Know/MoonMoonRotation.gif
0 Replies
 
mark noble
 
  0  
Reply Sun 15 Jun, 2014 08:22 pm
@DeepBlue7,
Good on you, DB7, It's nice to know 'attention' is occasionally paid.
Nark Mobble
 
  1  
Reply Thu 19 Jun, 2014 05:14 pm
@mark noble,
I pay attention to your pretty brown eyes with specks of gray. Give us a kiss then, ay?
0 Replies
 
mark noble
 
  1  
Reply Thu 16 Oct, 2014 11:05 am
@raprap,
Brilliant insight - That explains bugger-all.
0 Replies
 
 

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