Astronomy is the science that studies on the heavenly bodies their movements, nature, position in the space. Astronomers work with ground based telescopes; they observe the satellite, interpret and collect the date to make report of their findings. They need to work day and night. Research is the main task for every astronomer and they must have knowledge in mathematics and physics. They make research on the space and work to capture mysteries of the universe. There were many kinds of astronomers like theoretical astronomers, experimental astronomer and soon. One has to be PhD holder in astronomy. If the person is a degree holder one has to work as a technician, assistant observer and soon.