'Sidereal month' diaporamas de présentation

The physics of motion

The physics of motion. If you see the Moon setting and it is full, what did the Moon look like when it was on the eastern horizon 12 hours earlier?. Discussion.

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Stars seem to be on the inner surface of a sphere surrounding the Earth .

Celestial Sphere. Stars seem to be on the inner surface of a sphere surrounding the Earth . Celestial Sphere. Stars that appear close in the sky may not actually be close in space. Celestial Sphere.

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Why do we have seasons?

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Chapter 1: Earth , Moon, and Sun

Chapter 1: Earth , Moon, and Sun. By Mrs. Shaw. Chapter 1: Earth, Moon, Sun. Learning Goals : Students will be able to explain the difference between revolution and rotation and how these terms are related to time on Earth .

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8.5 Lunar Phases

8.5 Lunar Phases. Unit 8: Astronomy. Vocabulary. apogee : point at which the moon is farthest from the earth. Vocabulary. apogee : point at which the moon is farthest from the earth crescent: phase when less than half the moon is visible. Vocabulary.

332 views • 20 slides

The Month

The Month. Phases of the Moon. The moon is the second brightest object in the sky. The shape of the moon changes each day. Waxing light on right Waning light on left The changes are called phases. Synodic Month. The lunar or synodic month repeats every 29.53 days.

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Sidereal and Synodic Months

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