As we rocketed through the galaxy, a chuckle could be heard echoing in the deep abyss of space. Knockknock jokes arent just for planetbound humans anymore. Whether youre on Arrakis or Mars, theres a good laugh waiting for you. Lets dive into some of the greatest examples of cosmic comedy. So hop on board, strap in, and get ready to laugh, because were about to blast off to some new worlds of humor.