Aliens Could Be All Around Us, But We Might Not Be Able To See Them
How light gets in the way of exploring the current universe
There is an ongoing debate about whether or not people think that the universe is filled with life or completely devoid of life. Roughly 65% of American adults believe that there is likely intelligent life on other planets just waiting to be discovered. The problem is, we have never found any, no matter how hard we look. Humans have been staring into space since the dawn of history, and yet there is no legitimate evidence to suggest there is anything living out beyond our own atmosphere.
Some people think we just need to look harder or in different places in order to discover the elusive alien life that we all crave. The kicker is we might never find any evidence of aliens. Ever. No matter how hard we look.
How can that be? That is because space is big, and light is slow. Even if there are aliens lurking just outside of our immediate galactic neighborhood, we’ll never be able to see them, much less reach them.
Light Is Painfully Slow
On the surface of Earth, light seems very fast. In fact, for most distances that people will travel in a regular day, light travels instantaneously. But in the vastness of space, light…
