Use the Virial Theorem to estimate the temperature in the core of the Sun
Q: how big is the sun?
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Q: why is the sun hot?
A: Sun can be defined as the star at the centre of the solar system, it is also called a heavenly body…
Q: What is the surface temperature of a star that emits at a peak wavelength of 400 non? 1nm=1x10(-9) m
A: The peak wavelength λmax=400nm = 400×10-9m
Q: In the model shown in the table below, what fraction of the Sun's mass is hotter than 5,000,000 K?…
A: From the table we can see that, in 7th row, the fraction of solar mass (M/Msun) = 0.82 has…
Q: In a typical solar oscillation, the Sun’s surface moves up or down with a speed of 0.1m/s . If you…
A: Given data *The Sun’s surface moves up or down with a speed is v = 0.1m/s *The given wavelength is…
Q: At the surface of the sun, the temperature is approximately 5800 K. What fraction of the energy is…
A: (a) The total energy U of the electromagnetic radiation is given by following expression. Here, h…
Q: a) At solar maximum sunspots might cover up to 0.4% of the total area of the Sun. If the sunspots…
A: At solar maximum sunspot might cover up to 0.4% of the total area of the sun. We are asked to…
Q: There are as many absorption lines in the solar spectrum as there are elements present in the Sun.…
A: An atom, element, or molecule is capable of absorbing photons with energy equal to the energy…
Q: What is the approximate temperature of the sun at its chromosphere ?
A: The chromosphere is the third layer of Sun. It ranges from 400 km to 2100 km above the solar…
Q: Jupiter radiates more energy than it receives from the Sun by 8.7 ×10–10 LO. Jupiter's radius is 7.1…
A: Conservation the principle that in a system that is not subject to external influence, the total…
Q: The average density of the sun is 1. 4 g/cm3 What do you expect the density to be at 0.25 of Rsun?…
A: Given: The average density of the sun is ρs = 1.4 g/cm3 The radius of the sun is R = 6.9634 x 105 km…
Q: Calculate the Sun's average density using this formula: V = 4 /3 π r 3 where V = volume (m3) and…
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Q: Consider a star for which the stellar power per unit area at distance 1 AU from the star is 4.5…
A: Intensity at a distance is Radius of star is Note:The Stefan Boltzmann constant is Find:Surface…
Q: The most abundant element in the Sun is hydrogen. (T/F)
A: Sun is the star at the center of our solar system. It belongs to the G-type main-sequence stars.…
Q: if the sun expanded to a radius 200 times its present radius what would its average density ne in…
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Q: Explain in detail the carbon-nitrogen-oxygen fusion chain that occurs in the center of the Sun
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Q: Which of the following will occur to our Sun at some point in the future? (Select all that apply)…
A: The sun does not have that much mass to be exploded as a supernova.
Q: 2.7 kW/m^2. Assume the radius of the star is 0.005 AU (similar to Sol). What is the surface…
A: we know that the intensity of the sun on earth or solar constant…
Q: The sun will eventually cease fusing nuclei in it interior and will then be dead what general term…
A: When the fusion in the core of sun ceases but still illumines due to helium carbon transformation,…
Q: Use Wein's law to determine the wavelength corresponding to the peak of the black body curve (a) in…
A: According to Wein's displacement law, λmT=constant=2.898×10-3 mK where λm= wavelength at which…
Q: How would the interior temperature of the Sun be different if the strong force that binds nuclei…
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Q: A young recently formed planet has a surface temperature T = 2000 K and a radius of Rp Jupiter radii…
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Q: If the sun expanded to a radius 5000 times its present radius, what would its average density be (in…
A: The volumetric mean radius of the sun, R⊙=6695,700 km=6.695×106 km=6.695×106 ×105 cm =6.695×1011 cm…
Q: why does nuclear fusion in the sun only occur near the center?
A: Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more…
Q: Solar constant, Sun, and the 10 pc distance! The luminosity of Sun is 4-- 1026 w - 4-- 1033ergs- 1,…
A: Given: Luminosity or energy radiated by sun, E = 4×1026 W Distance of the Sun from the Earth, rES =…
Q: If the sun expanded to a radius 200 times it's present radius, what would the average density be (in…
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Q: Show your data and graph table Approximately how many times farther from the sun is HCM 6A than…
A: The distance and log distance from Sun to stars are Star or other Milky Way object Distance from…
Q: What changes would you notice if the sun emitted radiation at an effective temperature of 2000 K…
A: This problem is based on the Wien's displacement law.
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