In 1610 he described the moon as seen in his telescope as having a "rough and unequal" surface
[DOC] [TLE] Science and Hypothesis [PAR] Oct 25, 2007 ... *One of the scholars to whom Galileo offered his telescope to view the newly 
discovered moons of Jupiter declined to look, expressing his certainty that no real 
... not conclusive evidence) that the explanation is true, having been ..... As we 
have seen, every scientific hypothesis must be .... in January 1610.