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 oil painting by René Magritte. Mailer describes seeing this painting in Chapter 5 ("A Dream of the Future's Face") of the first part ("Aquarius"). "In the foyer was a painting by Magritte, a startling image of a room with an immense rock situated in the center of the floor." The 1970 dust jacket cites that the painting is part of a private collection. Of a Fire on the Moon Of a Fire on the Moon (, ) is a work of non-fiction by Norman Mailer which was serialised in "Life" magazine in 1969 and 1970, and published in 1970 as