Thursday, June 18, 2009

Warm Wet Mars and the Speed of Light

Solar luminosity vs. solar system age. L/Lo is luminosity as a fraction of present value. Lower line is standard solar model. Upper line indicates luminosity when c change is a factor. If speed of light c is precisely related to Universe age t by GM = tc^3, luminosity remains within a comfortable range for life to evolve.

From a University of Colorado at Boulder press release. Using the HIRISE experiment onboard the Mars Reconnaissance Orbiter, scientists have found definitive evidence of shorelines on ancient Mars. The features are signs of an ancient lake about 3.4 billions years old. This adds to meteorite evidence that early Mars was warm enought for liquid water and life.

According to standard models, several billion years ago the Sun shone with only 75% of its present luminosity. Earth and Mars would have been frozen solid. This "faint young Sun" is a hypothesis that is not supported by experement. A mountain of evidence from Earth and Mars shows that both planets were warm when the model says they were frozen.

Fortunately, the Sun turns fuel to energy according to E=mc^2. If the speed of light changed according to GM=tc^3, solar luminosity would remain within a comfortable range. If c had not changed in the amounts predicted, life would not have evolved on Earth.

The evidence is mounting! Soon there will be still more evidence from the Moon, an anomaly like that of Mercury's orbit. While scientists continue to peddle "dark energy," this growing mass of data is largely overlooked.

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