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.
Repairing Hubble: From the First to the Last Repair Mission. The Hubble Space Telescope after it had been serviced by the space shuttle Discovery in 1997. The Hubble Telescope: From First Launch to Last Repair Mission. In its 20 years, the Hubble Space Telescope has transformed the way astronomers view the universe. It introduced people on Earth to far-off galaxies, and revealed new information to help scientists understand how the universe began, and what is in store for the future.