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
Craters of the Moon (geothermal site) is the "prostrate kanuka", a variety of kanuka ("Kunzea ericoides" var. "microflora"). Other species include ferns and mosses that usually grow only in the tropics or warmer frost-free climates. Craters of the Moon is open to visitors all year round. The area is easily reached by car from Taupo, being on the end of Karapiti Road, that branches off State Highway 1/5, 4 km north of Taupo. There is a carpark, and an information kiosk at the entrance. An entrance fee applies. Visitors can walk a main track circuit, suited for people of all ages and fitness levels, which is