The Pole Star Will Change..., It does every few thousand years |
The Pole Star Will Change..., It does every few thousand years |
Mandrake |
Jan 13 2007, 02:14 PM
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#1
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Dedicated Member Group: Members Posts: 3856 Joined: 11-April 05 From: Mumbai, India Member No.: 2066 |
The Pole Star once was Thuban (3000 B.C.), the third star from the end of the tail in Draco.
In a little more than 5,000 years from now, Alderamin, the brightest star in the constellation Cepheus, will be almost the Pole Star. About 7,000 years from now, Deneb, the brightest star in Cygnus, will be the pretender for the Pole Star for a while. In about 12,000 years from now, Vega, the brightest star in Lyra, will be the Pole Star. Vega will be a brilliant Pole Star some six times brighter than Polaris. There are long periods when there is no Pole Star at all. At the present time there is no Pole Star in the southern sky. Self - belief is the most potent force.
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visuja |
Jan 21 2007, 06:08 AM
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#16
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Dedicated Member Group: Members Posts: 2210 Joined: 11-July 05 From: Singapore Member No.: 2745 |
....much like the tip of a rotating top that is about to stop spinning. So the top's about to stop spinning ? What would be the consequences ? (apart from perpetual day and night on either halves) Can it theoretically reach a point that it stops spinning and yet everything else remains the same (gravity, seasons, ocean currents, wind currents, El Nino!, etc) ? What causes the wobble ? What are the effects of the wobble ? .so many questions... Did someone say they harboured many fallacies ? Waiting for one hour of Mandrake time to pass to see the sketches ! ...Kidding jinhein ataa kii hai tu ne taaqat, unhein hidaayat kii roshnii de |
Mandrake |
Jan 21 2007, 08:23 AM
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#17
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Dedicated Member Group: Members Posts: 3856 Joined: 11-April 05 From: Mumbai, India Member No.: 2066 |
Vivek, the formats I am working in are not converting satisfactorily to jpg. Hence the delay...
Self - belief is the most potent force.
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