Financial analysts evaluate investment opportunities. They work in banks, pension funds, mutual funds, securities firms, insurance companies, and other businesses. Financial analysts are also called securities analysts and investment analysts. Financial analysts can be divided into two categories: buy-side analysts and sell-side analysts. 1  Buy-side analysts develop investment strategies for companies that have a lot of money to invest. 2  Sell-side analysts advise financial services sales agents who sell stocks, bonds, and other investments.
His achievements include improvements to the telescope and consequent astronomical observations and support for heliocentrism. Galileo has been called the father of modern observational astronomy , the father of modern physics , and the father of modern science.
Galileo and the Telescope. The science of astronomy took a huge leap forward in the first decade of the 1600s with the invention of the optical telescope and its use to study the night sky. Galileo Galilei did not invent the telescope but was the first to use it systematically to observe celestial objects and record his discoveries. His book, Sidereus nuncius or The Starry Messenger was first published in 1610 and made him famous.