During the first half of the 20th century, science fiction novels and comic books were very popular ig United states. Their of was far etched and were often Bas on the space reseatch of that time. For example, pictures began tronauts in space Suits when writers realized that exposing human beings to the cold airless environment of space was lethal. ideas of other planets were still often wrong, though. A 1928 drawing of a moon circling the planet Jupiter shows it covered in plant life. It was only discovered later that the other planets and moons around our sun are without life as we know it on Earth. Drawings in the early 20th century also showed very large space sh and stations, almost like flooring Hties, writers at the time knew that trips to other stars would take hundreds of years Those who left Earth would die on the journey there, leaving their descendants to arrive at the 4e destination instead. Some writers addressed this problem by using the concept of suspended animator a sleep in which person doesn't grow older. Such travelers would awaken at the end of their journey, hundreds of years in the future it is not mno