You know that skin-prickling sensation you get sometimes? The one that feels like you’re being watched? Well, maybe we are. Maybe we’re being watched right this very second by an entire populace of little green men and, yes, little green women.
I mean, think about it. How certain are you Earth is the only planet capable of supporting life? Are you:
a.) Absolutely certain?
b.) Somewhat certain?
c.) Not at all certain?
d.) Don’t know
Personally, I wouldn’t bet the rent.
The visible universe, our universe, is vast. Boundless. Some would say infinite. And it’s still expanding — as we speak, the galaxies continue their retreat from each other all these years after the Big Bang. In fact, what we call outer space is now somewhere in the neighborhood of 15 billion light-years across. (One light-year, by comparison, is 6 trillion miles, plus or minus. You do the math.)
In addition to being b-i-g, big, the universe is also crowded. It’s packed with:
> 500 million galaxy groups
> 100 billion dwarf galaxies
> 10 billion large galaxies
> 2,000 billion, billion* suns
And then there’s the whole multiverse theory. Ai-yi-yi.
With so many distant planets and mysterious stars and other assorted floating matter, don’t you think there’s a pretty good chance life goes on somewhere out there? That a smarter, more sophisticated, more advanced civilization than ours exists?
Heck, Earth could be some übernerd Martian’s version of an ant farm for all we know. Or a superior society’s snow globe. Wait, maybe Earth is the storehouse for another planet’s oddballs and misfits and weirdos? You have to admit, these are all well within the realm of possibility.
Of course, it’s just as likely I’ll win the $600 million Powerball drawing and lead a life of idle, decadent luxury. Here’s hoping.
*billion, billion is not a typo.
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