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Earth Tilted 23.5 Degrees



 
 
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  #11  
Old June 5th 07, 11:01 PM posted to alt.astronomy,sci.space.policy,sci.space.history
Sylvia Else
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Posts: 1,063
Default Earth Tilted 23.5 Degrees

BradGuth wrote:
On Jun 2, 9:27 pm, Sylvia Else wrote:
www.freedomtofascism.comwrote:
On Mon, 28 May 2007 15:26:22
wrote:
On Tue, 29 May 2007 07:01:21 +1200, Sir Gilligan Horry
wrote:
Get up early and see the stars.
They're in a different place in the sky now. Earth has shifted its
rotational axis 23.5 degrees!
The USA is 23.5 degrees farther north than it used to be!
http://www.tiltedearth.org/
For time immemorial, Earth has never changed its rotational axis -- the
stars have ALWAYS been in the same place.

Um, no. See

http://en.wikipedia.org/wiki/Precession_%28astronomy%29

Sylvia.- Hide quoted text -

- Show quoted text -


But when (to the year) did Earth get it's seasonal tilt?


I don't know. For the purpose of providing a counter example to the OP's
statement, that's irrelevant.

Sylvia.
  #12  
Old June 6th 07, 05:42 AM posted to alt.astronomy,sci.space.policy,sci.space.history
BradGuth
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Posts: 21,544
Default Earth Tilted 23.5 Degrees

On Jun 5, 3:01 pm, Sylvia Else wrote:
BradGuth wrote:
On Jun 2, 9:27 pm, Sylvia Else wrote:
www.freedomtofascism.comwrote:
On Mon, 28 May 2007 15:26:22
wrote:
On Tue, 29 May 2007 07:01:21 +1200, Sir Gilligan Horry
wrote:
Get up early and see the stars.
They're in a different place in the sky now. Earth has shifted its
rotational axis 23.5 degrees!
The USA is 23.5 degrees farther north than it used to be!
http://www.tiltedearth.org/
For time immemorial, Earth has never changed its rotational axis -- the
stars have ALWAYS been in the same place.
Um, no. See


http://en.wikipedia.org/wiki/Precession_%28astronomy%29


Sylvia.- Hide quoted text -


- Show quoted text -


But when (to the year) did Earth get it's seasonal tilt?


I don't know. For the purpose of providing a counter example to the OP's
statement, that's irrelevant.

Sylvia.


Interesting how the truth is always "irrelevant" and/or merely
excluded whenever possible.

When polar ice melts and oceans rise, along with increased tidal
factors, should allow this planet of ours to silp its crust a bit
further off the mark. After all, 98.5% of our planet is fluid, and
otherwise all of Earth has been losing its magnetosphere by roughly -.
05%/year.

As planetology sorts of things go; you'd think Earth getting its
seasonal tilt would have been a darn good one, similar as to when the
heck did so much of our salty oceans arrive, and of that other pesky
one about our knowing the time when Earth first obtained its icy and
still somewhat salty proto-moon.

How about a glancing blow from that arriving 8.5e22 kg item of 4000
km, say impacting at what's now our Arctic ocean basin. Wouldn't that
encounter do quite nicely towards creating our seasonal tilt, as well
as lithobraking on behalf of keeping that trusty proto-moon of ours?

BTW; Where are those 3D interactive simulators when you need one?
-
Brad Guth
-
"whoever controls the past, controls the future" / George Orwell

 




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