Titlebook: Cosmic Time Travel; A Scientific Odyssey Barry Parker Book 1991 Barry Parker 1991 astronomy.physics.time.travel

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Working-Class Writing and ExperimentationBefore we continue, we should pause briefly to contemplate what we know about time. After all, time, like space, is also critical in our flight to the stars, so it’s essential that we understand it as fully as possible.

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The Nature of Time and Space-time,Before we continue, we should pause briefly to contemplate what we know about time. After all, time, like space, is also critical in our flight to the stars, so it’s essential that we understand it as fully as possible.

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Working-Class Writing and Experimentationat would it feel like to be suddenly catapulted hundreds, even thousands of years into the future? What would it be like to visit your ancestors? Science fiction writers have been speculating on such matters for years. But will it ever become reality? Scientists have recently been looking into this

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f Pluto. But, as he pushes farther into space, the challenges and obstacles mount. It took Apollo only three days to reach the moon, but Pioneer 10 took nearly two years to reach Jupiter, and it was 14 years before it finally exited the solar system. At this speed it would take 80,000 years for us t

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Working-Class Writing and Experimentation One of the major reasons we want to understand space is because we would like to travel between two points in the universe without actually traversing the space between them. Impossible, you say. Yes, it does sound impossible, but we will see in this chapter that we might eventually be able to do i

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Working-Class Writing and Experimentationature become? Is it possible for matter to create an infinite curvature? This possibility bothered Einstein and others after the first solution of the field equations of general relativity was found. Indeed, a mystery developed that was not cleared up for over 40 years. It was, however, the final re

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Brain-Waves

Working-Class Writing and Experimentation go about getting observational evidence? It obviously isn’t easy. Black holes are only a few miles across and emit no light. Furthermore, they are black, the same color as the background sky. If we were close enough to one, we would be able to detect it indirectly, since it would block off the ligh