The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler
CHAPTER III. 42
Galileo announces his discoveries in Enigmas--Discovers the Crescent of Venus--the Ring of Saturn--the Spots on the Sun--Similar Observations made in England by Harriot--Claims of Fabricius and Scheiner to the discovery of the Solar Spots--Galileo's Letters to Velser on the claims of Scheiner--His residence at the Villa of Salviati--Composes his work on Floating Bodies, which involves him in new controversies,