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Chapter 16 - The Solar System
Terms in this set (21)
The scientific study of the universe, which is the totality of all matter, energy, space, and time.
A complex system of moving masses held together by gravitational forces, consisting of the Sun, eight major planets and the their satellites, dwarf planets, the asteroids, comets, meteoroids, and interplanetary dust.
The old false theory of the solar system which placed the Earth at its center.
The model of the solar system that places the Sun at its center.
law of elliptical orbits
All planets move in elliptical orbits around the sun, with the Sun at one focus of the ellipse.
The average distance between the Earth and the Sun, which is 1.5 X 10^8km.
law of equal areas
An imaginary line joining a planet to the Sun sweeps out equal areas in equal periods of time during the orbit.
The square of the sidereal period of a planet is proportional to the cube of its semimajor axis.
The four inner planets, all are similar to Earth in general chemical and physical composition.
The four outer planets, all have characteristics resembling those of Jupiter
Orbital or rotational motion in the forward direction.
Orbital or rotational motion in the backward direction.
The fraction of incident light sunlight reflected by a celestial object.
The turning (spinning) of an object about an internal axis.
The movement of one object around another.
A pendulum that is used to demonstrate the rotation of Earth.
The apparent motion, or shift, that occurs between two fixed objects when the observer changes position.
aberration of starlight
The apparent displacement n the direction of light coming from a star because of the orbital motion of the Earth.
A new class of planets including Pluto, Ceres, Eris, Haumea, Makemake.
A large, spherical cloud of cold gases and dust that contracted under the influence of its own gravity, began rotating, and then flattened into a swirling disk gas and dust.
A process of solar system formation in which interstellar dust grains act as condensation nuclei to facilitate the growth of protoplanets
THIS SET IS OFTEN IN FOLDERS WITH...
ISCI 3102 Chapters 16 & 17
PSCI CH. 16- REVIEW QUESTIONS
Chapter 13, Section 2: Tides
Chapter 16 Physical Science
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