Collectively, amateur astronomers observe a variety of celestial objects and phenomena sometimes with equipment that they build themselves. Common targets of amateur astronomers include the Moon, planets, stars, comets, meteor showers, and a variety of deep-sky objects such as star clusters, galaxies, and nebulae.ollectively, amateur astronomers observe a variety of celestial objects and phenomena sometimes with equipment that they build themselves. Common targets of amateur astronomers include the Moon, planets, stars, comets, meteor showers, and a variety of deep-sky objects such as star clusters, galaxies, and nebulae.
A typical dictionary definition of intelligence is âthe capacity to acquire and apply knowledge.â Intelligence includes the ability to benefit from past experience, act purposefully, solve problems, and adapt to new situations. typical dictionary definition of intelligence is âthe capacity to acquire and apply knowledge.â Intelligence includes the ability to benefit from past experience, act purposefully, solve problems, and adapt to new situations.
Intelligence derives from the Latin verb ability to think intelligere, to comprehend or perceive. A form of this verb, intellectus, became the medieval technical term for understanding, and a translation for the Greek philosophical term nous.