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.
The telescope invented by Lippershey had a magnification of just 3x. However, although the invention of the telescope is generally credited to Lippershey, there is some evidence, that the principles of telescopes were known in the late 16th century.