Behaviorism Advocates. John B. Watson (1878-1958) and B. F. Skinner (1904-1990) are the two principal originators of behaviorist approaches to learning. Watson believed that human behavior resulted from specific stimuli that elicited certain responses.
7. Uranus is the third of the outer planets, the seventh in order from the Sun. This planet has a very low density and is made up of a large proportion of gas. It is also referred to as an ice giant because a decent percentage of its gases are trapped in ice form.ther interesting members are comets, meteors and meteorites and dwarf planets. The order of the planets from the Sun from nearest to the farthest is Mercury, Venus, earth, Mars, Jupiter, Saturn Uranus, and Neptune. 1.
Proxima is the closest star to Earth. Faint red Proxima Centauri â at only 3,100 K and 500 times less bright than our sun â is nearly a fifth of a light year from Alpha Centauri A and B. This great distance is what calls into question its status as part of a triple star system.ottom line: The Alpha Centauri system is the closest star system to our sun. On our skyâs dome, we see this multiple system as a single star â the third-brightest star visible from Earth. Charts, photos and info about this fascinating star system.