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Unformatted text preview: 4/6/2019 Review Test Submission: Week 3 Science Quiz – 19SP NSCI ... Home H Course Content ... Week 3: Assignments Learn Yvonne Whittington Share 2 RU Resources Review Test Submission: Week 3 Science Quiz Review Test Submission: Week 3 Science Quiz
User Yvonne S Whittington Course 19SP NSCI 110 Origins of the Cosmos (05) Test Week 3 Science Quiz Started 4/6/19 2:23 AM Submitted 4/6/19 3:05 AM Status Completed Attempt
Score 100 out of 100 points Time
Elapsed 42 minutes out of 1 hour Instructions This quiz will be an open-book/open-note quiz that consists of 10 questions
appearing in a variety of formats. You will have 60 minutes to complete it.
Displayed All Answers, Submitted Answers, Correct Answers, Feedback, Incorrectly Answered Questions Question 1 10 out of 10 points Approximately how many years after the universe began, does cosmology propose the cosmic
microwave background originate?
Selected Answer: 400,000 years Answers: 0 years – it’s not even real and comes from the oceans
Less than a day – it was made when God said ‘let there be light’
4 days – it began with the sun, moon and stars
2,000 years – it began during a Noachian Global Flood
400,000 years Response Feedback: Good work Question 2 10 out of 10 points Which of the following best describes the Sunyaev-Zel’dovich Effect?
Answer: A small spectral distortion of the CMB caused by CMB photons scattering off
high energy electrons Answers: A small spectral distortion of the CMB caused by CMB photons scattering off
high energy electrons
… 1/4 4/6/2019 Review Test Submission: Week 3 Science Quiz – 19SP NSCI ... A large burst of energy coming from two colliding galaxies
Distant galaxies which are moving away faster than closer ones
The bending of light at the horizon to make the sky purple
None of the above
Response Feedback: Good work Question 3 10 out of 10 points In the WMAP image, the red regions are approximate 0.5% denser than the surrounding areas
are said to represent what future structures?
Selected Answer: Galaxies Answers: Black holes
Earth like planets
None of the above Response Feedback: Good work Question 4 10 out of 10 points Visible light makes up the majority of light in the Universe.
Selected Answer: False Answers: True
False Response Feedback: Good work Question 5 10 out of 10 points What are some of the implications of Hubble’s redshift law? Choose one.
Answer: All of the Above Answers: The universe is expanding
Distant objects are now much further away than they appear to be
The Universe had a ‘beginning’ some 14 billion years ago
He should have won a Nobel Prize for this discovery but couldn’t because the
Physics Prize did not go to Astronomers until after his death
All of the Above Response Feedback: Good work … 2/4 4/6/2019 Review Test Submission: Week 3 Science Quiz – 19SP NSCI ... Question 6 10 out of 10 points Which famous astronomer used Cepheid Variable stars to show that the stars were much further
than our own galaxy, at least millions of light years away?
Selected Answer: Hubble Answers: Einstein
Penzias Response Feedback: Good work Question 7 10 out of 10 points Which scientist illuminated how white light is split into its component colors?
Selected Answer: Isaac Newton Answers: Aristotle
DaVinci Response Feedback: Good work Question 8 10 out of 10 points A z-shift of z=1 corresponds to how far away?
Selected Answer: 7,000,000,000 light years Answers: 7,000 light years
70,000 light years
700,000 light years
7,000,000 light years
7,000,000,000 light years Response Feedback: Good work Question 9 10 out of 10 points On the famous picture from the Wilkinson Microwave Anisotropy Probe, the red areas are roughly
how much hotter than the blue areas?
Selected Answer: 0.0002 K Answers: 200,000 K … 3/4 4/6/2019 Review Test Submission: Week 3 Science Quiz – 19SP NSCI ... 20,000 K
Response Feedback: Good work Question 10 10 out of 10 points The popular news headline, “Big Bang’s Afterglow Fails Intergalactic ‘Shadow’ Test” strongly
indicates that everything we once thought about the Cosmic Microwave Background was
Selected Answer: False Answers: True
False Response Feedback: Good work
Saturday, April 6, 2019 3:06:04 AM EDT ← OK … 4/4 ...
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- Summer '18
- Dr. Marshall Bowles
- Isaac Newton, Big Bang, Cosmic microwave background radiation, Yvonne S Whittington