Social Studies Unit 6 Lesson 5: Understanding the Universe
Unit 6, Lesson 5: Understanding the Universe
Lesson objectives:
1) differentiate between a light year, a solar year, and a lunar year
2) identify various types of stars and constellations
The universe= planet Earth + planets+ stars+ sun
There are thus distances between these different parts of the universe.
Light year:
measures the distance light takes to travel from one star to another in one year
Solar year:
Earth's full round around the sun= 365 days
Lunar year:
Earth's rotation around the moon= 354/355 days
B
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