This entry was published at least two years ago (originally posted on January 8, 2019). Since that time the information may have become outdated or my beliefs may have changed (in general, assume a more open and liberal current viewpoint). A fuller disclaimer is available.
National Geographic: “Before we explored outer space, we tried to paint it: In 1939, artist Charles Bittinger imagined worlds we hadn’t traveled to yet—sometimes with impressive accuracy.” Gorgeous artwork, from a time when we knew far less than we do now.