#spaceexploration – by @99.217 on Instagram
From the dawn of recorded history, philosophers and scientists alike have questioned the nature of our physical reality. Plato famously posited that our perception of reality is similar to individuals perceiving shadows on the walls of a cave, with the “real” reality existing just out of our view. Chinese philosopher Zhuang Zhou wrote a similar allegory, dreaming he was a butterfly which dreamed it was Zhuang Zhou; when he awoke, the story goes, he wasn’t sure which he actually was – the butterfly or the man.