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Video: Earth's motion, more complicated than you thought


               
2013 Aug 12, 4:20pm   764 views  5 comments

by Dan8267   follow (4)  

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1   Tenpoundbass   2013 Aug 12, 11:28pm  

So look at frame 3:04 then tell me that the polar ice melt is due to man made global warming.

2   Dan8267   2013 Aug 14, 4:16am  

CaptainShuddup says

So look at frame 3:04 then tell me that the polar ice melt is due to man made global warming.

The polar ice melt is due to man made global warming.

Just because astronomical events can affect climate does not mean that man made events cannot affect climate. The empirical and scientific evidence is overwhelming that human generated pollution is absofuckinglutely causing climate change.

And even if climate change wasn't an issue at all, pollution should be illegal because it is a form of theft that causes severe health and financial problems to billions of victims. So even if you take the stance of fuck the environment, if you are a real capitalist concerned with property rights, there should be no legal pollution at all.

Finally, end pollution and you'll never have to hear the left bitch about climate change again. And isn't that worth it, Captain?

3   Heraclitusstudent   2013 Aug 14, 5:43am  

The n-body problem doesn't have a exact solution even using Newtonian mechanics.

The behavior is chaotic and not a continuous function of initial conditions.

That makes predicting the motion of planets kind of difficult.

4   curious2   2013 Aug 14, 5:46am  

Heraclitusstudent says

That makes predicting the motion of planets kind of difficult.

Difficult, but not impossible. The Antikythera mechanism, thought to have been built by the workshop of Archimedes more than 2000 years ago, cranked out the apparent positions of the visible planets (plus the sun and moon) quite accurately. The moon was accurate to nine decimal places, particularly impressive considering its elliptical orbit. The success was especially surprising when you consider that the layout reflected the religious belief at the time (doubted by Aristarchos, who was condemned as a heretic) that the earth was at the center of the solar system.

http://video.pbs.org/video/2364988981/

5   Heraclitusstudent   2013 Aug 14, 5:57am  

curious2 says

Heraclitusstudent says

That makes predicting the motion of planets kind of difficult.

Difficult, but not impossible.

Basically impossible given enough time.
The Greeks achievements are certainly impressive. Too bad they fell into the dark ages.

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