Astrophysics (Astrophysics)

Galaxy #2 is far less luminous than our Milky Way. How many galaxies of this luminosity would you need to match the light output of the Milky Way?Notice how the light profile (the radial plot of counts) can be divided into an inner region and an outer region (with a change of slope between them). The names for the two galaxy components that these two regions represent are theConsider the total B-V color measured across all of Galaxy #4. What value do you find if you reduce the size of the ellips...

Galaxy #2 is far less luminous than our Milky Way. How many galaxies of this luminosity would you need to match the light output of the Milky Way?Notice how the light profile (the radial plot of counts) can be divided into an inner region and an outer region (with a change of slope between them). The names for the two galaxy components that these two regions represent are theConsider the total B-V color measured across all of Galaxy #4. What value do you find if you reduce the size of the ellips...