—u/Obligatory_DRZ_rider
“Take this a step further. Imagine other beings millions of light years away, observing the light omitted from Earth. They could be seeing a version of Earth many, many years ago that shows zero signs of life, let alone intelligent life. They take one look and think, ‘Yup, nothing there, let’s cross it off our list.’ Even if our planet has been discovered by other forms of intelligent life, it’s almost impossible that they would know we exist without being much closer to our solar system.”
—u/brstrz
Source: https://www.buzzfeed.com/angelicaamartinez/facts-we-cant-wrap-our-heads-around