What is the temperature of a star emitting light with a peak wavelength of 7,080 angstroms?

Q: The distance to Capella is 42.34 light years. Convert this distance to astronomical units

A: To convert the distance to Capella from light years to astronomical units (AU), we need to know the…

Q: The radius of the sun is approximately 700,000 kilometers. What is the volume of the sun

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Q: Half-life is the period of time it takes for the amount of a radioactive substance to decrease by…

A: The time dilation equation is, τ=τ01-v2c2 Here, the total life is τ0,

Q: If the speed of light is given as  299,792,458 meters per second and the wavelength is 478 nm.  what…

A: Given velocity of light c = 299,792,458 m/s wavelength of light λ= 478 nm we have to calculate the…

Q: A newly discovered bright star has a luminosity of 78.4×1026 W. What is its temperature if it has a…

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Q: If the speed of light is given as 299,792,458 meters per second and the wavelength is 375 nm. what…

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Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.…

A: We have : Density = masscolumeVolume of star = 43x π x r3Diameter of star = 6 x 105kmRadius of star…

Q: an absolute magnitude of -3 is more luminous than an  absolute magnitude of-8.

A: Given, Absolute magnitude of objects

Q: A microwave oven has a frequency of 2,466 MHz (1 MHz = 1 million Hz). What wavelength "microwaves"…

A: given data: frequency f=2466 MHz =2466 x 106Hz...(1MHz=106Hz) speed of light c=299792458m/s=…

Q: Earth tugs the sun around as it orbits, but it affects the radial velocity of the sun by only 0.09…

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Q: What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a…

A: By the Wien's law the relation between Temperature (T) and wavelength is given by,

Q: What is the sun's mass?

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Q: If a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs?

A: Given that :Apparent magnitudemp=Mv

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: You are in Chicago on a boat looking towards downtown. The boat starts traveling out into Lake…

A: Pythagorean theorem states that the sum of the squares of the lengths of the two shorter sides of a…

Q: A newly discovered bright star has a luminosity of 78.4×1026 W. What is its temperature if it has a…

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Q: Calculate the distance of a star if the stellar spectrum indicates an absolute magnitude of -10.0,…

A: Given,Absolute magnitude, M =- 10Apparent magnitude, m = 5From magnitude distance formula,m -M = 5…

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Q: Plot the spectral emittance the five bodies in our solar system Listed here: Sun (6000 K) Venus (600…

A: The spectral emittance of a body is given by :  Bλ(λ,T)=2hc2λ51ehc/λkT−1Here, h is the planck's…

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: If light from one star is 1,600 times brighter (has 1,600 times more flux) than light from another…

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Q: What is the luminosity of a 4-solar-mass main-sequence star?

A: The luminosity of a star is the amount of energy that it radiates per second. It can be considered…

Q: 8.32 A 2.0-kg block of wood rests on a long tabletop. A 5.0-g bullet moving horizontally with a…

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Q: What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a…

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Q: How hot is the sun?

A: Answer Sun is the largest and most massive object in the solar system. Sun is about 93 million miles…

Q: If a star has a surface temperature of 20,000 K (2.00 × 104 K), at what wavelength will it radiate…

A: For calculating the wavelength emitted by a hot body consider it as a blackbody. A blackbody is an…

Q: The surface temperature of the Sun is 5,800 K.   What wavelength of light is most intense?…

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Q: The main-sequence age of a star of 1M⊙ is about 1010 years. What is the main-sequence age of a star…

A: Answer the following question is

Q: A star has a life expectancy of 5 billion years. What would be its mass?

A: A star will live as long as there are enough fusion reactions inside its core. Once the fusion stops…

Q: If a star in our own Milky Way galaxy is moving away from us at 4,811 km/s, by what percentage will…

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Q: Calculate the distance of a star if the stellar spectrum indicates and absolute magnitude of -10 and…

A: The given data are listed below with suitable variables. Here, M denotes the absolute magnitude and…

Q: Consider three main sequence stars: Star A is 14,500 K, Star B is 2,900 K, and Star C is 5,500 K.…

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Q: If the radius of the sun is 7.001×105  km, what is the average density of the sun in units of grams…

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Q: An isotope of a radioactive element has half-life equal to 9 thousand years. Imagine a sample that…

A: Given:-          Half-life of radioactive sample (t1/2) = 9000 years Let us assume 'N∘' be the…

Q: what is the mass of a star with a main- sequence lifetime of 3 billion years

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Q: What is the luminosity of a star having four times the radius of the Sun and a surface temperature…

A: Given data The surface temperature of the star is: T = 8000 K The radius of the star is four-time…

Q: If a star’s parallax is 35 arcseconds,  what is the distance to the star?

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Q: An astronomer observes several stars with different colors. Rank them in order from highest…

A: Temperature is related to color of a star and follows colors of rainbow. Blue stars are the hottest…

Q: If the Sun's mass is about average, how many stars are there in the Milky Way galaxy? The mass of…

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