Can anyone help me with any information on the following topics? Beyond just information found on the internet? Of if you have any ideas pertaining to one of the particular topics. I need to write a paper, and am having issues concentrating or finding a central point. Detail the role of each of the following people in the Heliocentric revolution (that is the change-over from the Geocentric view of the Universe to the Heliocentric view): Copernicus, Tycho Brahe, Kepler, and Galileo ?Write a short biography of Galileo, and his battles with the church over his geocentric philosophy. ?Discuss some of the current experiments being done to try to detect dark matter ?Describe the nature and properties of black holes. ?Describe the mission, and discoveries of the Martian rovers (Spirit and Opportunity) ?Describe the strange and peculiar satellites (moons) of Saturn as viewed by the Cassini mission. (Not including Titan) ?Describe the mission and the results of the Huygens probe that penetrated the atmosphere and landed on the surface of Saturns moon Titan. ?Explore the recent discoveries of large Kuiper belt objects (e.g., ) and Plutos relationship with them, including a brief discussion of the New Horizons mission. ?Discuss the four satellites of Jupiter, and the possibility that one (or more) of them may be a possible host for life, and how NASA is planning to search for that life. ?Discuss recent discoveries of planets around other stars.