Saturday, November 17, 2007

Cosmic terminal velocity

I had stalled in my thoughts about gravity recently, needing to gain some perspective about my ideas and myself from a distance. I feel lonely sometimes on my path through creation. I am even ashamed of myself for believing that I --- an amateur astronomer --- have discovered a new truth about the universe.

But I cannot relent. I feel compelled to contemplate and test my ideas mentally. Sometimes I have insights that are exhilarating, even joyous, and I have concluded that either I am on the path to profound truth or to ignorant bliss.

For example, I was riding my motorcycle this week and enjoying the fresh ocean air. And, as it has become my habit, I was contemplating another application of my theory. It had to do with the concept of terminal velocity.

Falling bodies, such as a person jumping from an airplane, will accelerate towards earth until reaching a maximum speed, or terminal velocity. This occurs because the body meets air resistance sufficient to slow down its progress. Without such drag, however, the body will continue to accelerate at the uniform speed of 9.8 meters a second.

Objects with less resistance will fall longer and thus faster than those with more drag. And theoretically, an object without resistance will continue to accelerate indefinitely. It is Newton's first law of motion.

Applying my theory --- that gravity is the effect of matter meeting resistance in its motion through space --- it dawned on me that terminal velocity is a local frame of reference for this dynamic. It illustrates very well my theory as applied to motion through the cosmos, particularly as it applies to the accelerating expansion of the universe. Galaxies, stars, planets and other matter are moving through space with inertia from the Big Bang, and gravity is the effect of that matter straining against the fabric of space.

So just as we can see that falling bodies without resistance will accelerate towards Earth, we can see galaxies, stars and planets receding through space will accelerate as resistance diminishes. This explains the reason for the accelerating expansion of the universe.

It is my insight --- true or not -- that this is the dynamic set in motion by the Big Bang. That all matter is accelerating through space. That when we see an apple falling from a tree, we are witnessing the expansion of the universe on Earth. When we see galaxies receding through space, we are witnessing the same phenomenon.

As for me and my motorcycle, I was going about 45 mph. It was exhilarating.

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