Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Question
Chapter 16, Problem 25Q
To determine
The meaning of neutrinos and the reason it is useful to study neutrinos coming from the Sun.
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Students have asked these similar questions
How are neutrinos different from most other particles like neutrons or protons? How do we detect solar neutrinos coming from the Sun?
What is neutrino hypothesis? What is the need and significance of the hypothesis?
Why was the detection of solar neutrinos important?
a) They have been suggested as an important source of solar energy.
b) They provide direct evidence for solar oscillations.
c) The provide direct evidence for the proton-proton chain.
Where does nuclear energy production (fusion) occur in the Sun?
a) In the nuclear zone
b) In all layers of the Sun
c) In the photosphere
d) In the core
Chapter 16 Solutions
Universe: Stars And Galaxies
Ch. 16 - Prob. 1QCh. 16 - Prob. 2QCh. 16 - Prob. 3QCh. 16 - Prob. 4QCh. 16 - Prob. 5QCh. 16 - Prob. 6QCh. 16 - Prob. 7QCh. 16 - Prob. 8QCh. 16 - Prob. 9QCh. 16 - Prob. 10Q
Ch. 16 - Prob. 11QCh. 16 - Prob. 12QCh. 16 - Prob. 13QCh. 16 - Prob. 14QCh. 16 - Prob. 15QCh. 16 - Prob. 16QCh. 16 - Prob. 17QCh. 16 - Prob. 18QCh. 16 - Prob. 19QCh. 16 - Prob. 20QCh. 16 - Prob. 21QCh. 16 - Prob. 22QCh. 16 - Prob. 23QCh. 16 - Prob. 24QCh. 16 - Prob. 25QCh. 16 - Prob. 26QCh. 16 - Prob. 27QCh. 16 - Prob. 28QCh. 16 - Prob. 29QCh. 16 - Prob. 30QCh. 16 - Prob. 31QCh. 16 - Prob. 32QCh. 16 - Prob. 33QCh. 16 - Prob. 34QCh. 16 - Prob. 35QCh. 16 - Prob. 36QCh. 16 - Prob. 37QCh. 16 - Prob. 38QCh. 16 - Prob. 39QCh. 16 - Prob. 40QCh. 16 - Prob. 41QCh. 16 - Prob. 42QCh. 16 - Prob. 43QCh. 16 - Prob. 44QCh. 16 - Prob. 45QCh. 16 - Prob. 46QCh. 16 - Prob. 47QCh. 16 - Prob. 48QCh. 16 - Prob. 49QCh. 16 - Prob. 50QCh. 16 - Prob. 51QCh. 16 - Prob. 52QCh. 16 - Prob. 53QCh. 16 - Prob. 54QCh. 16 - Prob. 55QCh. 16 - Prob. 56QCh. 16 - Prob. 57QCh. 16 - Prob. 58QCh. 16 - Prob. 59QCh. 16 - Prob. 60Q
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- What do measurements of the number of neutrinos emitted by the Sun tell us about conditions deep in the solar interior?arrow_forwardSomeone suggests that astronomers build a special gamma-ray detector to detect gamma rays produced during the proton-proton chain in the core of the Sun, just like they built a neutrino detector. Explain why this would be a fruitless effort.arrow_forwardEarth contains radioactive elements whose decay produces neutrinos. How might we use neutrinos to determine how these elements are distributed in Earth’s interior?arrow_forward
- Explain how we know that the Sun’s energy is not supplied either by chemical burning, as in fires here on Earth, or by gravitational contraction (shrinking).arrow_forwardWhat are the two sources of particles coming from the Sun that cause space weather? How are they different?arrow_forwardDescribe how energy makes its way from the nuclear core of the Sun to the atmosphere. Include the name of each layer and how energy moves through the layer.arrow_forward
- Why are measurements of the Sun's 10.7 cm radio emission used to monitor the state of the solar cycle? Choose allcorrect answers.A. It provides a repeatable, objective measurement of solar activityB. It serves as a good proxy for EUV emissionsC. It is measured from space, so it is not affected by cloudsD. It can be used to predict the occurrence of coronal mass ejectionsarrow_forwardWhat is the name of the specific nuclear fusion process that dominates energy production in the core of the Sun and gives a brief description of how it works. What I'm looking for in this description is what is the basic premise behind nuclear fusion and what is going into this specific fusion reaction and what comes out of it.arrow_forwardWhat is background radiation? Why is it important to determine the back-ground radiation for the effect of different distances?arrow_forward
- If you were located 100 km from a 1 GW nuclear power plant,what would the neutrino flux be at your location? Assume that a1 GW nuclear power plant releases 1021 neutrinos per second andyou present a 1 m2 surface to the neutrino flux.arrow_forwardWhy does the Sun not collapse under its enormous weight? a) The Sun is about 4.6 billion years old. If it could have collapsed by now , it would have. b) Because the Sun is in hydrostatic equilibrium. c) Because the Sun is not in hydrostatic equilibrium. d)More than one of the above.arrow_forwardSolar scientists want to measure the temperature inside the sun by sending in probes. Imagine that temperature increases by 1 million◦C for every 10,000 km below the surface. A probe that can handle a temperature of x million degrees costs x³ million dollars. a. How much would it cost to measure the temperature 10,000 km down? b. How much would it cost to measure the temperature 100,000 km down? c. How much would it cost to measure the temperature 200,000 km down?arrow_forward
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