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    The Cosmic Perspective
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    Exam 26: Space and Time
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    According to Gwen Back on Earth,about How Long Does It
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According to Gwen Back on Earth,about How Long Does It

Question 67

Question 67

Multiple Choice

According to Gwen back on Earth,about how long does it take Jackie to reach Vega?


A) about a month
B) about 10 years
C) about 25 years
D) about 100 years
E) about 1,000 years

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