What would our Sun look like from Earth if it was a massive star? Asap help needed
Q: 13) Calculate the luminosity in watts from the absolute magnitude for the given stars: (a) Sun (M =…
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Q: Pls help ASAP. Pls show all work.
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Q: At rest hydrogen has a spectral line at 149nm. If this line is observed at 144nm for the star…
A: Given:hydrogen spectral line at rest, λs = 149 nmobserved spectral line, λ = 144 nmAsked:What is the…
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A: The cluster M67 is never visible in the sky from London so we should abandon any plans to observe…
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A: The position of the sun is in the middle of the H-R diagram due to its moderate temperature,…
Q: Find the speed for a star in which this line appears at wavelength 122.5 nmnm.
A: Given wavelength = 122.5 nm Hydrogen transition wavelength = 121.6 nm Speed of light is c = 3×108…
Q: Our Sun is considered an "average" star. What is the average star really like? Explain. Could you go…
A: We can define an average star as: An average star, or more properly, an intermediate-mass star,…
Q: An O8 V star has an apparent magnitude of +2. Use the method of spectroscopic parallax to estimate…
A: The apparent magnitude m of the star is given to be m=+1. From HR absolute magnitude M of a star…
Q: Pls help ASAP. Pls show all work.
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Q: Pls help ASAP. Pls show all work.
A: Your answer is option (b).
Q: At what wavelengths do stars of surface temperates 20 000 K, 10 000 K, and 3000 K have their peak…
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Q: 8) Calculate the luminosity of a star that has a radius of 3Rs and a temperature of 2Tsum-
A: The luminosity of a star or a galaxy is defined as the energy radiated by the star or galaxy.…
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A: Let, The luminosity of the star = L The luminosity of the Sun = LSun The mass of the star = M The…
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A: Newton's Law of Gravitation According to Newton's Law of gravitation, the gravitational force…
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Q: Find the wavelength of peak intensity for a hot 45000 K star that emits thermal radiation.
A: Given information:Temperature of the object (T) = 45000 K
Q: Problem 4) Is the center of our solar system (including exactly in the same location center of…
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Q: a) Sketch a generic HR diagram, including labels for the axes. (Take a picture or scan your work and…
A: a) HR diagram is,
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Q: Practice Problem 38.) Let p= Ex Pk|eb«Xubx| be a density operator; so each |e) is a unit vector and…
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Q: Two Stars ef the Same 10°° kg mass orbit each. LOther at a Constant lds meters apart. whate is the…
A: F = GM M /d2F = 6.67 *10-11 * 1030 * 1030/(1013)2 F = 6.67 * 1023 N
Q: 7) Calculate the luminosity of a star that has a radius of 4.2Rsun and a temperature of 5Tsun
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A: Given: Wavelength of light is λ=550nm=550*10-9m. Separation between earth like planet and star is…
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- How long does it take light from the sun 93 million miles away to the earthAt rest hydrogen has a spectral line at 149nm. If this line is observed at 144 nm for the star proxima how fast is proxima moving in km/sDO NOT COPY FROM OTHER WEBSITES Correct and detailed answer will be Upvoted else downvoted. Thank you!
- As seen from earth the sun has an apparent magnitude and of about -26.7 what is the apparent magnitude of the sun as eeen from Saturn about 10AU away?(Answer don't copy with hand written please)As a star runs out of hydrogen to fuel nuclear fusion in its core, changes within the star usually cause it to leave the main sequence, expanding and cooling as it does so. Would a star with a radius 12 times that of the Sun, but a surface temperature 0.5 times that of the Sun, be more, or less luminous than the Sun? Show and explain your reasoning. You may assume the surface area of a sphere is A = 4πr2.