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help with more astronomy waves questions and telescopes!!?

can someone help me with waves questions for my astronomy class!! i dnt really understand this...thank u!! 1.why are infrared waves used to study nebulas. 2.Discuss the problem with telescopes when lenses are used to collect light and how sir Isaac Newton solved the problem by inventing a radical new telescope design. 3.what is the goal of any telescope? 4.How did we model the Keck telescope? Describe in detail. 5. DIscuss in detail the reasons why the summit of Mauna is an ideal location for an astronomical observatory. 6.Compare and contrast the Gemini telescope, Keck telescopes,Subaru Telescope. 7.What advantages are there in using light weight, flexible mirrors as opposed to the mirror used in the hale telescope 8.how are Type IA supernovae used to measure astronomical distances?(compared to street lights?) 9.How have Mauna Kea telescopes been used to discover extra-solar planets?

Public Comments

1. Here are some hints, since it wouldn't help either of us for me to do your homework. Look up dust extinction laws, how lenses are secured in telescopes, telescopes in general, the Keck telescope, what conditions we look for when selecting sites for observatories, those particular telescopes, how mirrors are constructed for telescopes, the supernova cosmology program, and spectroscopy. Wikipedia has all this information, and would be a good place to start next time.
2. Along with Eri, it doesn't do you any good for someone else to do your homework for you. I will provide some links that should help you in your quest however. http://www.ifa.hawaii.edu/mko/ http://en.wikipedia.org/wiki/Adaptive_optics http://www.universetoday.com/18210/telescope-history/ However, you do need to learn how to use a search engine to find information.