Whoa, slow down there people, jump to conclusions much?
I’m excited that I finally get to use the knowledge I gained from my Astro 390 class (Extraterrestrial Life and Space Travel) from my college days. Here’s the thing about UFOs people: virtually every scientist thinks that inter-stellar space travel is enormously expensive not only in resources but in time. I’ll explain.
Say you are an advanced alien race on a world far far away. You want to check out the interstellar neighborhood with your advanced technology. Suppose with your technology you can approach the speed of light (a feat which would cost a lot in resources and energy), you still have to deal with the problem of relativity, the principle Einstein discovered and which most scientists who think about this kind of thing say makes space travel really difficult. Relativity, put simply, means that the faster you go, the slower time appears to you.
In other words, if you’re an advanced alien race, you still have to overcome the problem of relativity whereby you, traveling near the speed of light, age relative to your homeworld. Your voyage may take 20 years, but your home world will age several hundred or even thousand.
This makes interstellar travel at any speed really difficult.
Which is why most scientists who think about these kind of things believe that 1) aliens, like humans, will use the cheapeast method possible to communicate (radio waves) or 2) some kind of phenomenon like worm holes will be used for transportation.
Least likely are space ships that have to use massive amounts of energy to travel huge distances at speeds that would make the relativity problem really acute.
Is it impossible? No, I suppose not. But you have to consider plausibility here. Is it plausible that an alien flew his spaceship far from his homeworld and visited Santa Clarita Tuesday night? I mean, I know Santa Clarita is a nice place to live and all, but is it plausible that an alien would visit given all the problems above?
No it’s not. And especially with all the eyewitness accounts we have of fighter jet afterburners and the accompanying loud roar. That’s all this was: military activity and an unexplained orange glowing object, which could be another aircraft on afterburners.
More Resources:
Contact by Carl Sagan
YouTube video about Time Dilation
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