An Astronomer is a scientist who studies the physical properties of stars, planets, galaxies, moons, and other celestial objects. They use a variety of tools and techniques to observe, measure, and interpret data to try to understand the structure of the universe and how it works. Astronomers may work in a variety of settings, such as from a large research university, from a government research lab, or aboard a space mission. People who become Astronomers are usually driven by a love of science and a strong curiosity about the universe, as well as a desire to seek out evidence-based knowledge and understanding. Being an Astronomer offers a unique opportunity to experience advances in space exploration, and to make original contributions to the scientific community. Astronomers can enjoy working with cutting edge technology, collaborating with teams of scientists, and sharing their knowledge with the public through talks, lectures, and writing.