Refracting telescope focus, results in a non-inverted and upright image. Galileo’s best telescope magnified objects about 30 times. Because of flaws in its design, such as the shape of the lens and the narrow field of view, the images were blurry and distorted. Despite these flaws, the telescope was still good enough for Galileo to explore the sky. The Galilean telescope could view the phases of Venus, and was able to see craters on the Moon and four moons orbiting Jupiter. Parallel rays of light from a distant object (y) would be brought to a focus in the focal plane of the
Of a Fire on the Moon its largest, not its smallest, dimension". His account was published as a book called "Of a Fire on the Moon" in 1970. In the UK, it was published with its original article title, "A Fire on the Moon". "Of a Fire on the Moon", published in three installments by "Life" magazine, later becoming a full book, chronicles the U.S. moon launch of 1969 through the eyes of Norman Mailer’s third-person view of himself. Through this third-person view, Mailer describes the space launches from his point of view as seasoned reporter who has seen America ‘come of age’ since the end