Words about with the help of the Kepler NASA telescope shows 17% of all SUN like stars have planets that are one to 2 times the diameter of Earth orbiting close to it's host stars.  Harvard-Smithsonian center for Astrophysics has identified one out of six stars that fits the Goldilock  zone where we can live . At least 17 billion stars are within our Milky Way galaxy.

Some of the puzzles that people list for the public get indexed by the search engines (like Google). Some people find those puzzles and cannot figure out how to make a puzzle of their own. So this page now has the navigation sidebar.

There are now buttons on the puzzle so that you can get a clean page, in either HTML or PDF, that you can use your browser's print button to print. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!