The Tully-Fischer method relies on being able to relate the mass of a galaxy to its rotation velocity. Stars in the outer-most regions of the Milky Way galaxy, located at a distance of 50 kpc from the galactic centre, are observed to orbit at a speed vrot determine the mass in the Milky Way that lies interior to 50 kpc. Express your answer in units of the Solar mass. = 250 km s-1. Using Kepler's 3rd Law,
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A: Step 1: The mass profile of the galaxy can be obtained by integrating over the density profile as…
Q: the
A: The galaxy with stars bulged at the center surrounded by a disc with arms is called a spiral galaxy.…
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A: Given data: rgalaxy=4 kpcv=150 km/s Need to determine the orbital period of the outer stars.
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A: Required : The correct choice.
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A: Given, The distance of the star from the center of the galaxy: r=19 kpc=19×3.086×1019 m Speed of the…
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A: Distance to the galaxy cluster is 92.8571 Mpc or 3.029×108light years. Explanation:Hubble's law…
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A: Mass of the galaxy is
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A: The shape of the galaxies says the evidence of the tidal disruption.
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A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…
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A: Number of stars in our milky Way galaxy is N=9×1010 Time taken in the formation of a plane
Q: solar masses. (Hint: Use the formula for circular velocity, V. = VS"; make sure you convert relevant…
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A: T T T F T T
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A: The expression for the orbital period, T=2πrv =2πrGMr =2πr32GM
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A: Given data: Speed of the globular clusters around the galaxy is, v= 534 km/s= 534000 m/s Distance of…
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A:
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A: orbital speed of sun = 220 kms= 220000 msdistance = 28000 light years
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A: This problem can be solved using the formula for circular velocity and then dividing the distance by…
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A: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
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A: Population 1 stars are the newer and younger stars.
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A: Mass of our galaxy (M1): 4.0 X 1011 M Semi-major axis of the orbit (a): 51 kpc
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A:
Q: 2. The diameter of our Milky Way is roughly - 105 ly(light-year). Planet X at the edge of our Milky…
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A: Answer: Detail solution in below.
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A: Given data: speed of sun, v = 2.5 x 105 m/s To find: i) Time period…
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