In 1611, the famous astronomer Johannes Kepler wrote The Six-Cornered Snowflake, which was the first scientific reference to snow crystals. Kepler wondered why snow crystals always exhibit a six-fold symmetry. It would be three hundred years before h...
This book contains the original story 'Somnium' or The Dream by Johannes Kepler along with an in-depth analysis of this most extraordinary fantasy stories ever told. Somnium is a unusual mixture of state of the art (circa 1609) mathematics and astron...