IG Phy – Universe(I)
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Question 1 of 10
1. Question
1 point(s)The Milky Way galaxy is approximately 100,000 light-years in diameter.
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Question 2 of 10
2. Question
1 point(s)The Universe is made up of about 100 billion galaxies, including the Milky Way.
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Question 3 of 10
3. Question
1 point(s)The Andromeda galaxy is closer to us than any star in our galaxy.
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Question 4 of 10
4. Question
1 point(s)The Big Bang Theory explains that the Universe began from a single point and expanded.
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Question 5 of 10
5. Question
1 point(s)Redshift occurs when light from distant galaxies shifts towards shorter wavelengths.
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Question 6 of 10
6. Question
1 point(s)The Cosmic Microwave Background Radiation (CMBR) is the afterglow of the Big Bang.
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Question 7 of 10
7. Question
1 point(s)The temperature of the Universe\’s background radiation is about -270°C.
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Question 8 of 10
8. Question
1 point(s)The first detection of CMBR was made by accident.
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Question 9 of 10
9. Question
1 point(s)The Hubble constant H0 is used to determine the age of the Universe.
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Question 10 of 10
10. Question
1 point(s)The current estimate for the Hubble constant H0 is about 2.2×10−18 per second.
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