Personality. Personality refers to individual differences in characteristic patterns of thinking, feeling and behaving. The study of personality focuses on two broad areas: One is understanding individual differences in particular personality characteristics, such as sociability or irritability.
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990, and remains in operation.
Hans Lippershey invented the telescope. The telescopes were first invented in 1608 by him. Galileo Galilei was the first of his time to use a telescope to look into space.