Geography

Geography, 25.09.2019 04:20, emilyy6425

The distance-size ratio for the milky way galaxy-andromeda galaxy system is of an order of magnitude of

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Physics, 21.08.2019 00:30, elliswilliams6035

1. if a galaxy contains a type i (classical) cepheid with a period of 30 days and an apparent magnitude of 19, what is the distance to the galaxy? (hints: see this figure and use the magnitude-distance formula d = 10(mv − mv + 5)/5.) mpc 2. if a galaxy contains a supernova that at its brightest has an apparent magnitude of 12, how far away is the galaxy? assume that the absolute magnitude of the supernova is −18.(hint: use the magnitude-distance formula d = 10(mv − mv + 5)/5.) mpc 3. if you find a galaxy that is the same size and mass as our milky way galaxy, what orbital velocity would a small satellite galaxy have if it orbits 87 kpc from the center of the larger galaxy? (assume the total mass of our galaxy is about 4.0 multiply.gif 1011 solar masses, malchemist sun symbol.) km/s 4. if a galaxy has an apparent radial velocity of 1872 km/s and the hubble constant is 70 km/s/mpc, how far away is the galaxy? mpc

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Geography, 27.09.2019 16:20, happy121906

Which of the following correctly lists the distances in order of their size from smallest to largest: a. earth-moon, earth-sun, distance across local group, distance across our milky way galaxy, distance across universe; milky way-andromeda galaxy, sun-nearest star. b. earth-moon, earth-sun, sun-nearest star, distance across our milky way galaxy, milky way-andromeda galaxy, distance across local group, distance across the universe. c. distance across local group, distance across our milky way galaxy, distance across universe; earth-moon, earth-sun, milky way-andromeda galaxy, sun-nearest star. d. distance across the universe, distance across local group, milky way-andromeda galaxy, distance across our milky way galaxy, sun-nearest star, earth-sun, earth-moon.

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Physics, 05.10.2019 05:30, matthesml

The diameter of our disk-shaped galaxy, the milky way, is about 1.0 x 10^5 light-years (ly). the distance to the andromeda galaxy, which is the spiral galaxy nearest to the milky way, is about 2.0 million ly. if a scale model represents the milky way and andromeda galaxies as dinner plates 25 cm in diameter, determine the distance between the centers of the two plates.

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