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Questions and Answers
What is the distance between Earth and the Pleiades star cluster?
What is the distance between Earth and the Pleiades star cluster?
- 460 light years (correct)
- 4 light years
- 150 light years
- 3.26 light years
How long does it take for sunlight to reach Earth?
How long does it take for sunlight to reach Earth?
- 8.2 hours
- 8.2 minutes (correct)
- 8.2 days
- 8.2 seconds
What is the distance between Jupiter and the sun?
What is the distance between Jupiter and the sun?
- 5.2 AU (correct)
- 3.26 light years
- 4 AU
- 186,000 miles
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Study Notes
- It takes 8.2 minutes for sunlight to reach Earth.
- A light year is the distance traveled by light in one year.
- Light travels at 186,000 miles per second.
- Proxima Centauri is about 4 light-years away from Earth.
- An Astronomical Unit (AU) is the distance between Earth and the sun.
- Jupiter is about 5.2AU away from the sun.
- Parsec (pc) is used to define distances larger than a light year.
- One parsec is 3.26 light years.
- The Pleiades star cluster is around 150 pc (about 460 light years) away.
- Parsec is defined as the parallax per second.
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