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CAES Unit 9 Vocab

Solar System

QuestionAnswer
Small, rocky objects that orbit the sun asteroid
Imaginary line that runs from one pole, through the center of a spinning object to the other pole axis
Ball of ice and dust that orbits the sun along an elongated path comet
Revolves around the sun and maintains a nearly round shape as planets do, but it cannot move other objects away from its orbital neighborhood dwarf planet
Oval shaped orbit of the planets around the sun ellipse (elliptical orbit)
When greater than one quarter of the moon is illuminated; from the Latin word for “humped back” gibbous phase
Force that keeps planets in motion around the sun; acts everywhere in the universe gravity
Meteoroid that has entered the Earth’s atmosphere forming a bright streak of light; also called a shooting star meteor
Natural satellite that revolves around a planet moon
When the lighted half of the moon is facing away from the Earth and therefore not visible from Earth new moon phase
Celestial body that does not produce its own light, is larger than an asteroid, and is illuminated by light form a star, such as the sun, around which it revolves planet
Motion of an object around another object revolution
Motion of an object around its own axis rotation
Caused by a combination of the tilt of Earth on its axis, the curvature of Earth’s surface, and the angle at which sunlight strikes the surface of Earth season
Rise and fall of ocean water levels caused by the gravitational pull of the moon and sun on Earth tide
Lighted part of the moon that is decreasing; shadow is on the right waning
Lighted part of the moon that is increasing; shadow is on the left waxing
Created by: caes6science