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Beyond 10,000 Suggestions


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#1
OrbitalResonance

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This thread is for reporting errors you may see, suggestions of new articles, or amendments to articles inside of the beyond 10,000 section.

New ideas

9,700: Barnards Star becomes the closes star to sol at 3.8 ly


For 10,000,000 years: The east Africa rift should be open and flooded by the ocean forming a new basin and spitting east africa from west africa. (much in the same fashion of India a hundred million years earlier)

For 50,000,000: Australia will have crossed the equator and collided with southeast asia by/around this time. Also California is up near the Aleutian island trenches being subducted.

1 billion years: Most of the seawater has evaporated and is quickly being lost to space due to photodissociation

1 billion years: If the earth looses its water, plate tectonics may come to a halt. Subduction zones would loose their lubricant and may fuse. Volcanic activity may continue through hotspot volcanoes. The hotspot volcnoes would release carbon dioxide into the atmosphere without recycling it back into the interior. Thus a supergreenhouse would take affect. The inability for the Earth to release adequate amounts of heat may cause large buildups that result in a total melting of the crust every few hundred million years. There is evidence of this on Venus.

2 billion years: When the Moon reaches a distance of 68 Earth radii(currently 60), a resonance between the earth and the moon will cause large oscillations in the earths tilt, between 27degrees and 60 degrees. This would have extreme effects on climate.

3 billion years: surface conditons on earth are comparable to Venus today.

When the sun goes into red giant, it will loose 30% of its mass. This will cause the orbits of the planet to expand 150% of its current value. So the earth may survive the red giant phase.

The habitable zone could reach out to titan in 6 billion years.


Should we also include the formation of the Sun's planetary nebula? We could include a picture of the crab nebula or some other planetary nebula.

*Edit suggestions

150,000,000 AD

The Atlantic Ocean begins to close

The mid-Atlantic ridge is causing the Americas and Africa to begin moving back together. Australia has become fully merged with Indonesia and Antarctica.

This entry should say that subduction zones have formed and are sucking the Mid Atlantic ridge inward. The mid ocean ridge would not couse it to contract.

Heres some talk on Extroversion and Introverson from wikipedia.
http://en.wikipedia....re_of_the_Earth

Introversion
Christopher Scotese and his colleagues have mapped out the predicted motions several hundred million years into the future as part of the Paleomap Project.[25] In their scenario, 50 million years from now the Mediterranean sea may vanish and the collision between Europe and Africa will create a long mountain range extending to the current location of the Persian Gulf. Australia will merge with Indonesia, and Baja California will slide northward along the coast. New subduction zones may appear off the eastern coast of North and South America, and mountain chains will form along those coastlines. To the south, the migration of Antarctica to the north will cause all of its ice sheets to melt. This, along with the melting of the Greenland ice sheets, will raise the average ocean level by 90 metres (300 ft). The inland flooding of the continents will result in climate changes.[25]
As this scenario continues, by 100 million years from the present the continental spreading will have reached its maximum extent and the continents will then begin to coalesce. In 250 million years, North America will collide with Africa while South America will wrap around the southern tip of Africa. The result will be the formation of a new supercontinent (sometimes called Pangaea Ultima), with the Pacific Ocean stretching across half the planet. The continent of Antarctica will reverse direction and return to the South Pole, building up a new ice cap.[30]

Extroversion
The first scientist to extrapolate the current motions of the continents was Canadian geologist Paul F. Hoffman of Harvard University. In 1992, Hoffman predicted that continents of North and South America would continue to advance across the Pacific Ocean, pivoting about Siberia until they begin to merge with Asia. He dubbed the resulting supercontinent, Amasia.[31][32] Later, in the 1990s, Roy Livermore calculated a similar scenario. He predicted that Antarctica would start to migrate northward, and east Africa and Madagascar would move across the Indian Ocean to collide with Asia.[33]
In an extroversion model, the closure of the Pacific Ocean would be complete by about 350 million years.[34] This marks the completion of the current supercontinent cycle, wherein the continents split apart and then rejoin each other about every 400–500 million years.[35] Once the supercontinent is built, plate tectonics may enter a period of inactivity as the rate of subduction drops by an order of magnitude. This period of stability could cause an increase in the mantle temperature at the rate of 30–100 K every 100 million years, which is the minimum lifetime of past supercontinents. As a consequence, volcanic activity may increase.[27][34]


We make our world significant by the courage of our questions and the depth of our answers. - Carl Sagan


#2
Time_Traveller

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The 11th millennium and beyond is a period of time that will begin on 1 January 10001 CE. Several predictions have been made concerning this future time period. This article is a compendium of such predictions, ranging from factual astronomical knowledge to the predictions of science fiction.

www.wikipedia.org

Just wondering if any of these would happen besides the science fiction bits, What do members think?

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