Neptune moves in an elliptical orbit with the sun at one of the foci. The length of the half of the major axis is 4,502,899,800 kilometers, and the eccentricity is 0.0112. Find the maximum distance (aphelion) of Neptune from the sun. Round your answer to nearest kilometer.

i think the answer would be b

the inner core.

good luck: )

klicker

i think its c if i'm wrong

speed of light in vacuum is 300,000 km/s

speed of light in other mediums is given by the expression v = c/n, where c is the speed of light in vacuum and n is the refractive index of medium.

for the first medium v = 200,000 km/s

  so, refractive index of medium = 300000/200000 = 1.5

    1.5 refractive index is usually for glass. so first medium is glass.

for the second medium v = 250,00 km/s

so, refractive index of medium = 300000/250000 = 1.2

    1.2 refractive index is usually for water. so second medium is water.

for the third medium v = 0 km/s

so, refractive index of medium = 300000/0 = ∞

    ∞ refractive index is usually for opaque mediums. so third medium is opaque medium.