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Athabasca University Astronomy 230 - Northern Lights, Northern Skies - Unit 2: Planets and Orbits

This unit outlines the structure of our solar system including characteristics of the various members. It also provides information on how to observe the planets in the night sky.

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This lesson is part of the Athabasca University Astronomy 230: Northern Lights, Northern Skies course. In this lesson, you will learn how to identify components of the solar system, and how to describe the structure of solar system.
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This lesson is part of the Athabasca University Astronomy 230: Northern Lights, Northern Skies course. In this lesson, you will learn how to contrast the observable characteristics of each of the planets, how to describe the variability of brightness of planets, and how to describe the cause of planets being periodically visible in the night sky.
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This lesson is part of the Athabasca University Astronomy 230: Northern Lights, Northern Skies course. In this lesson, you will learn how to describe what causes retrograde motion, and how to identify a planet undergoing retrograde motion based on its movements in the sky.
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