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Simcountry is an Online Digital World where you are the President of a country.
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What is Simcountry?

USA . . . war on the horrizon? What do U think?

Simcountry: Simcountry Bulletin Board  USA . . . war on the horrizon? What do U think?

Nimz ..

Monday, August 02, 2004 - 09:55 pm Click here to edit this post
Sun's estimated age: 5B years.
Sun's estimated lifetime: 10B years.

Radiocarbon dating doesn't work on the scale of millions of years because the halflife of the isotope used is on the scale of thousands of years. Anything beyond a few halflifes cannot be dated. Other radioactive isotopes are used for scales of millions or billions of years.

The earth's orbit is elliptical, with small deviations because the sun is not the only source of gravity. Eggs are flattened on one side and pointed on the other side. Ellipses are not.

The reason for seasons is not proximity of the earth to the sun. In the southern hemisphere, seasons are half a year off from the seasons in the northern hemisphere. This has nothing to do with distance from the sun, but rather the tilt of the earth. When the northern hemisphere is tilted toward the sun, which happens to be when the earth is farther from the sun, the northern hemisphere will be warmer--Summer. At the same time, the southern hemisphere will be tilted away from the sun, making it colder--"Winter." I put Winter in quotes because most of the inhabited areas of the southern hemisphere have wet season and dry season, not Spring, Summer, Autumn, and Winter.

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