While the Scientific American calendar's "large" gives about a 12" by 11" image, the Year In Space calendar gives a main 22" by 16" image, a full 266% as large!

On Episode 145 of This Week In Space, Rod Pyle and Tariq Malik meet the authors of a new book about spaceflight called "Star Bound: A Beginner's Guide to the American Space Program, from Goddard's ...