Solving Approach
Words in this cipher average roughly 5.5 letters apiece. With fewer short words to lean on, watch for repeated letter pairs and common endings like "-ING" or "-TION." This is rated hard — the substitution pattern is less forgiving, so patience with frequency analysis pays off.
About Carl Sagan
Carl Sagan was an American astronomer and science communicator who became famous for making complex cosmic concepts accessible to millions through his iconic television series Cosmos. He championed critical thinking and the scientific method while warning against pseudoscience, famously coining the phrase "extraordinary claims require extraordinary evidence." Sagan's passionate advocacy for space exploration and his poetic reflections on humanity's place in the universe inspired generations to look skyward with wonder and curiosity.
Did you know? His novel Contact, published in 1985, was later adapted into a major Hollywood film starring Jodie Foster.