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Asteroid belts similar to the one between Mars and Jupiter appear to be rare beyond our solar system, implying that complex alien life may be rare as well, a new study reports.

Fewer than 4 percent of known alien solar systems are likely to have an asteroid belt like the one in our own neck of the woods, researchers found. 

“Our study shows that only a tiny fraction of planetary systems observed to date seem to have giant planets in the right location to produce an asteroid belt of the appropriate size, offering the potential for life on a nearby rocky planet,” study lead author Rebecca Martin, of the University of Colorado in Boulder, said in a statement. “Our study suggests that our solar system may be rather special.”

Read More http://www.gotquestions.org/anthropic-principle.html

Question: “What is the Anthropic Principle?”

Answer: Anthropic means “relating to human beings or their existence.” Principle means “law.” The Anthropic Principle is the Law of Human Existence. It is well known that our existence in this universe depends on numerous cosmological constants and parameters whose numerical values must fall within a very narrow range of values. If even a single variable were off, even slightly, we would not exist. The extreme improbability that so many variables would align so auspiciously in our favor merely by chance has led some scientists and philosophers to propose instead that it was God who providentially engineered the universe to suit our specific needs. This is the Anthropic Principle: that the universe appears to have been fine-tuned for our existence.

Consider protons, for example. Protons are the positively charged subatomic particles which (along with neutrons) form the nucleus of an atom (around which negatively charged electrons orbit). Whether by providence or fortuitous luck (depending on your perspective), protons just happen to be 1,836 times larger than electrons. If they were a little bigger or a little smaller, we would not exist (because atoms could not form the molecules we require). So how did protons end up being 1,836 times larger than electrons? Why not 100 times larger or 100,000 times? Why not smaller? Of all the possible variables, how did protons end up being just the right size? Was it luck or contrivance?

Read more about the Anthropic Pinciple here… http://www.gotquestions.org/anthropic-principle.html

2012-11-05 03:36:26

Source: http://ppsimmons.blogspot.com/2012/11/new-study-supports-biblical-model-of.html