Doomsday dec21,2012 - from physicists perspective

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SUMMARY

The discussion centers on the misconceptions surrounding December 21, 2012, often linked to the Mayan calendar and various astronomical claims. Key points include the winter solstice, the sun's position relative to the Milky Way's center, and the presence of supermassive black holes. Participants assert that the sun will not move to the center of the galaxy and emphasize that claims of catastrophic events are rooted in astrology rather than credible astronomy. The consensus is that these predictions lack scientific basis and are largely influenced by popular media.

PREREQUISITES
  • Understanding of astronomical phenomena such as winter solstice and galactic alignment.
  • Familiarity with the structure of the Milky Way galaxy.
  • Basic knowledge of black holes and their properties.
  • Awareness of the distinction between astrology and astronomy.
NEXT STEPS
  • Research the scientific basis of winter solstice events.
  • Learn about the structure and dynamics of the Milky Way galaxy.
  • Investigate the properties and effects of supermassive black holes.
  • Explore the differences between astrology and astronomy in popular culture.
USEFUL FOR

Astronomy enthusiasts, educators, and anyone interested in debunking myths related to astronomical events and their interpretations in popular media.

spideyinspace
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Hi guys,

Its been said that dec21,2012 is the end of mayan calendar and the end of world.Let us leave the predictions of some calendars and prophets.but,i heard some astronomical information about dec21,2012.they are

1. winter solstice
2. Sun's pole shift
3. Earth's wobble finishes on 2012
4. Sun in the center of milky way
5. Supermassive black holes in the center of milkyway

would anything happen if sun goes to center of milkyway as there are supermassive black holes. didn't this happen earlier?didn't sun go to center of milkyway earlier and escape from black hole?

http://antwrp.gsfc.nasa.gov/apod/ap021018.html
http://news.nationalgeographic.com/news/2005/11/1102_051102_black_hole.html
http://en.wikipedia.org/wiki/Galactic_Center
http://www.mpe.mpg.de/ir/GC/index.php
http://arxiv.org/abs/astro-ph/0502129

i thought you guys can give correct information about dec21,2012 so posted here.are the information above true.i want to know what you guys think with reasons.
 
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Its bull*. You've obviously been brainwashed by watching too much History Channel, specifically the show where to say Nostradamus predicts the world ends in 2012 because of "special" alignment that occurs with the center of the galaxy, sun, and the 13th zodiac sign (or something like that). This is more astrology than astronomy.

The sun won't "go" to the center of galaxy. Our solar system is on the outer spirals of the milky way. I think you're referring to an alignment with the galactic equator or something like that.
 
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This is such utter nonsense that I don't even know what to say.

Forget about it!
 

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