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.
A crater on the moon, an asteroid, and the most powerful telescope of the 20th Century all were named after the famous Edwin Powell Hubble. The U.S postal service issued a stamp with Edwin Powell Hubbleâs picture on it on March 6, 2008.