1. KorbenDallas

    Stars, Galaxies, Planets: how do we know what they are?

    How do we know what we are looking at? How do we know that those are what we are told they are? Do galaxies, stars and planets even exist? (...the words and images sure do...) Here we have two allegedly legit images of some far away galaxies. NASA, Hubble and the hole nine yards of...