the further ones such as the cartwheel galaxy = 500 million light years = 5000 quintillion kms and hoag's object 600 million light years at 6000 quintillion kms are unfathomable to like ever reach. Given a quintillion has 1 followed by 18 zeroes, to cover 0.1% of a quintillion, we gotta travel 1 quadrillion kms, how the hell do we ever do that