ESS1B - 地球和太阳系


In this video Paul Andersen explains the parts of the Solar System; including the planets, dwarf planets, moons and asteroids. He explains how everything orbits around the Sun and how a proper understanding of this heliocentric model helps to explain planetary motions, eclipses, seasons, phases and even day and night.

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下一代科学标准地球科学纪律核心理念1B:地球和太阳系

在这个视频中,保罗安德森解释了太阳系的部件;包括行星,矮人行星,卫星和小行星。他解释了阳光周围的一切轨道以及如何正确理解这一天向模型有助于解释行星动作,eClipses,季节,阶段,甚至白天和夜晚。