Whether the statements that the temperature of the Sun is about 15 million °C or the temperature of the Sun is 15 million Kelvin have discrepancy or not.
Q: A star has a surface temperature of T = 10,000 K and a radius three times that of the Sun, R = 3R…
A:
Q: Let's examine how we know that the Sun cannot power itself by chemical reactions. Using the fact…
A:
Q: Why is the sun orange?
A:
Q: If one star has a temperature of 5,000 K and another star has a temperature of 8,500 , how much more…
A:
Q: Which of the following is least reasonable regarding energy production in the Sun? Group of answer…
A: The statement that is least reasonable regarding energy production in the Sun is:"Although the Sun…
Q: Assume that Hydrogen comprises 78% of the Sun’s mass. How much mass is this?
A: The original mass of the sun is,
Q: Calculate the average surface temperature of the Sun using Wien’s Law. The wavelength of maximum…
A: λ = 500nm
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: The radius of the Sun is 7x10⁸ m and its mass is 2x10³⁰kg.What is the density of the Sun (density =…
A:
Q: What is the source of energy for the sun? O hydrogen fusion O nuclear fission of metals O internal…
A: In the given question we have to discuss about the source of energy for the sun.
Q: The radius of the sun is approximately 700,000 kilometers. What is the volume of the sun
A:
Q: Using the concept of hydrostatic equilibrium, explain why the Sun does not collapse under the weight…
A: Hydrostatic equilibrium is the balance between the gravitational force and the pressure gradient…
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: What is the surface temperature of a star that emits light with a wavelength of 400 nanometers?
A:
Q: For a satellite launched to an altitude of 800 km, is there any significant difference to the…
A: Solar cycle- It is a period of 11 years.
Q: Earth tugs the sun around as it orbits, but it affects the radial velocity of the sun by only 0.09…
A:
Q: All of the Sun's energy which we calculated as the luminosity (the rate at which energy is radiated…
A: Given: The distance of Earth from the Sun is r=1.49×1013 cm. Introduction: Luminosity is an absolute…
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: Even if the Earth's orbit were circular, we would still have seasons. The reason is that…
A:
Q: What is the sun's mass?
A:
Q: Why does hydrogen, which is abundant in the sun's atmosphere, have relatively weak spectral lines,…
A: Atmos has electrons in different energy levels. Spectral lines are formed when electrons make…
Q: All of the Sun's energy which we calculated as the luminosity (the rate at which energy is radiated…
A: Given: The distance of Earth from the Sun is 1.49×1013 cm. Introduction: Luminosity s a measure of…
Q: According to the Stefan-Boltzmann law, how much energy is radiated into space per unit time by each…
A: A blackbody absorbs all the radiation that falls on it and then re-emits it. Stars can be…
Q: An astronomer measures the light from two objects, A and B, and she finds that they are both black…
A: Given: The wavelength of object A is 2000 nm. The wavelength of object B is 400 nm.
Q: The Sun is currently about 4.7 billion years old. How much longer does it have before it runs out of…
A: Given: The Sun is 4.7 billion years old. Introduction: The mass-energy equation says that an object…
Q: How much energy is produced when the sun converts 6 kg of mass into energy?
A: Given Data: The mass is, m=6 kg The expression for the mass-energy equivalence or the theory of…
Q: The diameters of the circles that make up the solar images in Dean's photo are about 1/100 the…
A: The angle from each opening in the leaves to the circle cast on the dean.s photo is the same angle…
Q: A solar flare can release 1025 J. How many megatons of TNT would be equivalent?
A: TNT or Trinitrotoluene is a chemical used for a controlled explosion. Its IUPAC name is…
Q: If a certain star is 4 times as hot as the sun and is 10000 times brighter than the sun, calculate…
A: Given, Temperature of star, TA=4xTE, Luminosity of star, LA=10000x LE.
Q: How much energy is produced when the sun converts 1 kg of hydrogen into helium?
A: Sun and all other stars get their energy through the process of fusion. In a fusion reaction, two…
Q: 1). A star has six times the radius of the Sun (Appendix C) and a temperature of 2000 K. Find its…
A:
Q: Why does it take so long for the energy produced in the Sun's core to reach the surface?
A: The main source of energy in stars like our Sun is hydrogen fusion. In this process, hydrogen is…
Q: Calculate the gravitational energy released by the Sun.
A: Gravity is the force of attraction between objects with mass. It is responsible for the formation of…
Q: If the Sun was producing its energy by slow contraction as suggested by Helmholtz and Kelvin,…
A: The Kelvin–Helmholtz mechanism is the process by which the surface of a star or planet cools which…
Q: The time it would take for the Sun to consume all its hydrogen (if the Sun's luminosity remained…
A: All-stars like our Sun are powered by nuclear fusion. It is a nuclear reaction in which two lighter…
Q: Assume that Hydrogen comprises 74% of the Suns' mass. How much mass is this?
A: The mass of the Sun is
Q: The Sun has a radius of 6.955×105 km and a mass of 1.989×1030 kg. What is the density of the Sun?…
A: Considering sun as a sphere, the volume of sun is
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: he energy in the Sun currently is provided by a process that combines two hydrogen atoms to form one…
A: Option C is the right answer Nuclear fusion.
Q: How would the interior temperature of the Sun be different if the strong force that binds nuclei…
A:
Q: The surface temperature of the Sun is 5,800 K. What wavelength of light is most intense?…
A:
Q: During a solar cycle, how long does it take (on average) for the Sun's magnetic field polarity to…
A: The solar's magnetic interest goes thru a repeating cycle referred to as the solar cycle, which has…
Q: Q6:4 We showed in the Lecture notes that the normalised energy eigenfunction for the lowest energy…
A:
Q: Suppose the Sun were to shrink to 50% of its present diameter. How would the gravitational energy…
A: Gravitational force is one of the fundamental forces of nature. It is defined as the force of…
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…
Step by step
Solved in 2 steps