Sunday, August 4, 2019
Technology - Progress of Interstellar Travel :: Exploratory Essays Research Papers
The Progress of Interstellar Travel         The (un)likelihood of extraterrestrial      visitation is probably one of the      most debated aspects of the Extraterrestrial Hypothesis, the answer being      an essential component to the validity of the ETH. After all, the assumed      unlikeliness of interstellar travel has become the cornerstone of those      who resist the ETH as an explanation for UFOs. So, does extraterrestrial      visitation necessarily require all sorts of "unlikely" science, or is it      possible to accomplish interstellar travel using conventional wisdom?      "If we at once admit the foolishness of these perennially suggested      "impediments" to star flight, we will be on our way to understanding that      interstellar space does not need a bridge too far. Interstellar travel may      still be in its infancy, but adulthood is fast approaching, and our      descendants will someday see childhood's end"[1].        Opinions on the practicality of interstellar travel diverge, but the      negative and positive opinions are seen to stem primarily from the      differences in background of those people doing the studies. SETI      researchers think that the degree of dispersion of stars throughout the      galaxy, combined with the limitations of interstellar travel as we      understand general relativity, effectively preclude the feasibility of      extraterrestrial visitation, thus believing that any extraterrestrial      intelligence would only be transmitting their love and good wishes to us.      The other group, largely composed of physicists and engineers involved in      propulsion research, tends to believe that interstellar travel is      difficult, but not a barrier, or not difficult at all once technology      progresses [1]. Not surprisingly, the latter choice appears to be the most      defensible.        Quite a number of clever designs have appeared in print, describing      various methods of getting mankind to the stars. These include such      projects as the star probe Daedalus, a robot interstellar vehicle designed      by members of the British Interplanetary Society which uses nuclear fusion      power, or interstellar ramjets which scoop up their fuel between the
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