This great illustration looks like it might have been inspired by a National Geographic poster. Here's the one they say is from October 1999: https://www.natg

This great illustration looks like it might have been inspired by a National Geographic poster. Here's the one they say is from October 1999: https://www.natgeomaps.com/hm-1999-the-universe https://www.natgeomaps.com/hm-1999-the-universe I remember this one was an updated version of a poster they published in the late 1970s or early 80s -- I had a copy on my wall in 1985.