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Review for Quiz 1.A light year is a unit of measure for Distance! It is the distance electromagnetic radiation travels in one year.

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Presentation on theme: "Review for Quiz 1.A light year is a unit of measure for Distance! It is the distance electromagnetic radiation travels in one year."— Presentation transcript:

1 Review for Quiz 1.A light year is a unit of measure for Distance! It is the distance electromagnetic radiation travels in one year.

2 Review for Quiz How fast does light travel? – 3 x 10 8 m/s How many seconds are in 1 year? – 365 days/year – 24 hours/day – 60 minutes/hour – 60 seconds/minute

3 Review for Quiz 2. Calculate the distance light travels in one year in meters.

4 Review for Quiz 3. The star Ross 248 is 10.4 ly away. Calculate the distance to Ross 248 in meters.

5 REVIEW for QUIZ 4. In what year will light from Aldeberan, which is 60 light years away, reach us?

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