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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Non-Mainstream and Controversial Science
the myth of flat earth debunked again
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<blockquote data-quote="sjastro" data-source="post: 77638065" data-attributes="member: 352921"><p>Here is a history and future positions of the northern pole star.</p><p style="text-align: center"></p> <table style='width: 100%'><tr><td><p style="text-align: center"><strong><a href="https://en.wikipedia.org/wiki/Bayer_designation" target="_blank">Bayer</a></strong></p> </td><td><p style="text-align: center"><strong>Traditional</strong></p> </td><td><p style="text-align: center"><strong><a href="https://en.wikipedia.org/wiki/Apparent_magnitude" target="_blank">V</a></strong></p> </td><td><p style="text-align: center"><strong><a href="https://en.wikipedia.org/wiki/Constellation" target="_blank">Constellation</a></strong></p> </td><td><p style="text-align: center"><strong><a href="https://en.wikipedia.org/wiki/Celestial_pole" target="_blank">Alignment</a></strong></p> </td><td><p style="text-align: center"><strong>notes</strong></p> </td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Alpha_Lyrae" target="_blank">Alpha Lyrae</a></td><td>Vega</td><td>0.026</td><td><a href="https://en.wikipedia.org/wiki/Lyra" target="_blank">Lyra</a></td><td>within 5°</td><td>used to be the North Star at about 12,000 BC; and will become the North Star at 14,500 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Iota_Herculis" target="_blank">Iota Herculis</a></td><td></td><td>3.75</td><td><a href="https://en.wikipedia.org/wiki/Hercules_(constellation)" target="_blank">Hercules</a></td><td>within 4°</td><td>used to be the North Star at about 9,000 BC; and will become the North Star at 15,000 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Tau_Herculis" target="_blank">Tau Herculis</a></td><td></td><td>3.89</td><td><a href="https://en.wikipedia.org/wiki/Hercules_(constellation)" target="_blank">Hercules</a></td><td>within 1°</td><td>was the pole star in 7,400 BC, will be again around 18,400 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Iota_Draconis" target="_blank">Iota Draconis</a></td><td>Edasich</td><td>3.29</td><td><a href="https://en.wikipedia.org/wiki/Draco_(constellation)" target="_blank">Draco</a></td><td>within 5°</td><td>used to be the North Star at about 4,420 BC</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Alpha_Draconis" target="_blank">Alpha Draconis</a></td><td>Thuban</td><td>3.65</td><td><a href="https://en.wikipedia.org/wiki/Draco_(constellation)" target="_blank">Draco</a></td><td>within 0.1°</td><td>used to be the North Star at about 3,000 BC</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Kappa_Draconis" target="_blank">Kappa Draconis</a></td><td></td><td>3.82</td><td><a href="https://en.wikipedia.org/wiki/Draco_(constellation)" target="_blank">Draco</a></td><td>within 6°</td><td>a near-north star, shares timing with <a href="https://en.wikipedia.org/wiki/Beta_Ursae_Minoris" target="_blank">Kochab</a></td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Beta_Ursae_Minoris" target="_blank">Beta Ursae Minoris</a></td><td>Kochab</td><td>2.08</td><td><a href="https://en.wikipedia.org/wiki/Ursa_Minor" target="_blank">Ursa Minor</a></td><td>within 7°</td><td>used to be the North Star at about 1,100 BC</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Alpha_Ursae_Minoris" target="_blank">Alpha Ursae Minoris</a></td><td><strong>Polaris</strong></td><td>1.98</td><td><a href="https://en.wikipedia.org/wiki/Ursa_Minor" target="_blank">Ursa Minor</a></td><td>within 0.5°</td><td>the current North Star</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Gamma_Cephei" target="_blank">Gamma Cephei</a></td><td>Errai</td><td>3.21</td><td><a href="https://en.wikipedia.org/wiki/Cepheus_(constellation)" target="_blank">Cepheus</a></td><td>within 3°</td><td>will become the North Star at about 3,100 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Iota_Cephei" target="_blank">Iota Cephei</a></td><td></td><td>3.51</td><td><a href="https://en.wikipedia.org/wiki/Cepheus_(constellation)" target="_blank">Cepheus</a></td><td>within 5°</td><td>shares timing with <a href="https://en.wikipedia.org/wiki/Beta_Cephei" target="_blank">Beta Cephei</a></td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Beta_Cephei" target="_blank">Beta Cephei</a></td><td>Alfirk</td><td>3.51</td><td><a href="https://en.wikipedia.org/wiki/Cepheus_(constellation)" target="_blank">Cepheus</a></td><td>within 5°</td><td>will become the North Star at about 5,900 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Alpha_Cephei" target="_blank">Alpha Cephei</a></td><td>Alderamin</td><td>2.51</td><td><a href="https://en.wikipedia.org/wiki/Cepheus_(constellation)" target="_blank">Cepheus</a></td><td>within 3°</td><td>will become the North Star at about 7,500 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Alpha_Cygni" target="_blank">Alpha Cygni</a></td><td>Deneb</td><td>1.25</td><td><a href="https://en.wikipedia.org/wiki/Cygnus_(constellation)" target="_blank">Cygnus</a></td><td>within 7°</td><td>will become the North Star at about 9,800 AD</td></tr><tr><td><a href="https://en.wikipedia.org/wiki/Delta_Cygni" target="_blank">Delta Cygni</a></td><td>Fawaris</td><td>2.87</td><td><a href="https://en.wikipedia.org/wiki/Cygnus_(constellation)" target="_blank">Cygnus</a></td><td>within 3°</td><td>will become the North Star at about 11,250 AD</td></tr></table></blockquote><p></p>
[QUOTE="sjastro, post: 77638065, member: 352921"] Here is a history and future positions of the northern pole star. [CENTER][/CENTER] [TABLE] [TR] [TD][CENTER][B][URL='https://en.wikipedia.org/wiki/Bayer_designation']Bayer[/URL][/B][/CENTER][/TD] [TD][CENTER][B]Traditional[/B][/CENTER][/TD] [TD][CENTER][B][URL='https://en.wikipedia.org/wiki/Apparent_magnitude']V[/URL][/B][/CENTER][/TD] [TD][CENTER][B][URL='https://en.wikipedia.org/wiki/Constellation']Constellation[/URL][/B][/CENTER][/TD] [TD][CENTER][B][URL='https://en.wikipedia.org/wiki/Celestial_pole']Alignment[/URL][/B][/CENTER][/TD] [TD][CENTER][B]notes[/B][/CENTER][/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Alpha_Lyrae']Alpha Lyrae[/URL][/TD] [TD]Vega[/TD] [TD]0.026[/TD] [TD][URL='https://en.wikipedia.org/wiki/Lyra']Lyra[/URL][/TD] [TD]within 5°[/TD] [TD]used to be the North Star at about 12,000 BC; and will become the North Star at 14,500 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Iota_Herculis']Iota Herculis[/URL][/TD] [TD][/TD] [TD]3.75[/TD] [TD][URL='https://en.wikipedia.org/wiki/Hercules_(constellation)']Hercules[/URL][/TD] [TD]within 4°[/TD] [TD]used to be the North Star at about 9,000 BC; and will become the North Star at 15,000 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Tau_Herculis']Tau Herculis[/URL][/TD] [TD][/TD] [TD]3.89[/TD] [TD][URL='https://en.wikipedia.org/wiki/Hercules_(constellation)']Hercules[/URL][/TD] [TD]within 1°[/TD] [TD]was the pole star in 7,400 BC, will be again around 18,400 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Iota_Draconis']Iota Draconis[/URL][/TD] [TD]Edasich[/TD] [TD]3.29[/TD] [TD][URL='https://en.wikipedia.org/wiki/Draco_(constellation)']Draco[/URL][/TD] [TD]within 5°[/TD] [TD]used to be the North Star at about 4,420 BC[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Alpha_Draconis']Alpha Draconis[/URL][/TD] [TD]Thuban[/TD] [TD]3.65[/TD] [TD][URL='https://en.wikipedia.org/wiki/Draco_(constellation)']Draco[/URL][/TD] [TD]within 0.1°[/TD] [TD]used to be the North Star at about 3,000 BC[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Kappa_Draconis']Kappa Draconis[/URL][/TD] [TD][/TD] [TD]3.82[/TD] [TD][URL='https://en.wikipedia.org/wiki/Draco_(constellation)']Draco[/URL][/TD] [TD]within 6°[/TD] [TD]a near-north star, shares timing with [URL='https://en.wikipedia.org/wiki/Beta_Ursae_Minoris']Kochab[/URL][/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Beta_Ursae_Minoris']Beta Ursae Minoris[/URL][/TD] [TD]Kochab[/TD] [TD]2.08[/TD] [TD][URL='https://en.wikipedia.org/wiki/Ursa_Minor']Ursa Minor[/URL][/TD] [TD]within 7°[/TD] [TD]used to be the North Star at about 1,100 BC[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Alpha_Ursae_Minoris']Alpha Ursae Minoris[/URL][/TD] [TD][B]Polaris[/B][/TD] [TD]1.98[/TD] [TD][URL='https://en.wikipedia.org/wiki/Ursa_Minor']Ursa Minor[/URL][/TD] [TD]within 0.5°[/TD] [TD]the current North Star[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Gamma_Cephei']Gamma Cephei[/URL][/TD] [TD]Errai[/TD] [TD]3.21[/TD] [TD][URL='https://en.wikipedia.org/wiki/Cepheus_(constellation)']Cepheus[/URL][/TD] [TD]within 3°[/TD] [TD]will become the North Star at about 3,100 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Iota_Cephei']Iota Cephei[/URL][/TD] [TD][/TD] [TD]3.51[/TD] [TD][URL='https://en.wikipedia.org/wiki/Cepheus_(constellation)']Cepheus[/URL][/TD] [TD]within 5°[/TD] [TD]shares timing with [URL='https://en.wikipedia.org/wiki/Beta_Cephei']Beta Cephei[/URL][/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Beta_Cephei']Beta Cephei[/URL][/TD] [TD]Alfirk[/TD] [TD]3.51[/TD] [TD][URL='https://en.wikipedia.org/wiki/Cepheus_(constellation)']Cepheus[/URL][/TD] [TD]within 5°[/TD] [TD]will become the North Star at about 5,900 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Alpha_Cephei']Alpha Cephei[/URL][/TD] [TD]Alderamin[/TD] [TD]2.51[/TD] [TD][URL='https://en.wikipedia.org/wiki/Cepheus_(constellation)']Cepheus[/URL][/TD] [TD]within 3°[/TD] [TD]will become the North Star at about 7,500 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Alpha_Cygni']Alpha Cygni[/URL][/TD] [TD]Deneb[/TD] [TD]1.25[/TD] [TD][URL='https://en.wikipedia.org/wiki/Cygnus_(constellation)']Cygnus[/URL][/TD] [TD]within 7°[/TD] [TD]will become the North Star at about 9,800 AD[/TD] [/TR] [TR] [TD][URL='https://en.wikipedia.org/wiki/Delta_Cygni']Delta Cygni[/URL][/TD] [TD]Fawaris[/TD] [TD]2.87[/TD] [TD][URL='https://en.wikipedia.org/wiki/Cygnus_(constellation)']Cygnus[/URL][/TD] [TD]within 3°[/TD] [TD]will become the North Star at about 11,250 AD[/TD] [/TR] [/TABLE] [/QUOTE]
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