... an eyepiece. Refracting and reflecting telescopes are both used to examine the visible light region of the electromagnetic spectrum. However, the reflecting telescope also examines the shorter and longer wavelengths near it. These wavelengths are the ultraviolet and infrared. There are five main problems with the refracting ... around the earth) theory. Galileo upset many religious superiors, who believed his views brought ridicule and denial of the scriptures. People were also upset because Galileo was convinced that the heliocentric theory was true even without conclusive evidence. The...

• Word Count: 3183
• Approx Pages: 13
• Grade Level: High School

... to that on earth because of comparable atmospheric densities. Its rough rocky landscape makes it difficult to navigate objects. Conditions on Mars must also be taken into consideration if scientist plan to reach her. Winds can reach several hundred miles per hour with dust storms lasting weeks and ... different theories, which would be able to warm the planet and actually be successful. One theory suggests building two large mirrors, which would reflect the sun's radiation toward Mars, eventually heating up the atmosphere and producing greenhouse gases. This idea seems a bit far fetched....

• Word Count: 1265
• Approx Pages: 5
• Grade Level: High School