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.
Today, most people know of Edwin Hubble because of the Hubble Telescope. This is a large space telescope that was launched into orbit around the Earth in 1990 and still functions today. In order to understand why this revolutionary device was named after this scientist, itâs helpful to consider some Edwin Hubble greatest discoveries.