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The easiest way to think of this is a washing machine that the clothes bundle up in and cause it to get off-balance, and start to wobble worse and worse as the drum spins more. You have to stop it, re-distribute the mass of clothing, and start it again so that it remains balanced.
originally posted by: dollukka
Well we did not have snow last year in Scandinavia ( except lapland ) no skiing, no skating. This coming winter looks like a replay of last year, december and no snow. While we lack of snow what we are used to have plenty, there are areas in USA which has received more what they have asked in some places almost 2 meter high. This actually supports canadian inuit view earth tilting to North as it would also mean lower temperatures to Skandinavia as the position this side of the World would be more to south then.
originally posted by: eriktheawful
a reply to: SonOfTheLawOfOne
Polar aligning is aligning to the axis of the Earth's spin. At this time, the Earth's axis happens to point directly at Polaris.
When you polar align, your a locking the scope's axis to Polaris.
If the Earth has shifted on it's axis, then it's axis is no longer pointing directly at Polaris.
If that were to happen, after you have polar aligned your telescope to Polaris, the mount's axis in not aligned with the Earth's axis anymore, because of this, when you dial in RA and Dec coordinates for an object in the sky, your telescope will NOT be pointed at it.
Anyone can test this quite easily. Simply take the telescope and when you do your polar alignment, off set it from Polaris. Then try using the RA and Dec coordinates to say, look at the Crab Nebula.
Guess what? When you look in your scope, it won't be there.