aphelion

the earth reaches aphelion in july each year.

aphelion is the point in the orbit farthest from the sun.

understanding aphelion helps in studying planetary motion.

during aphelion, the earth's distance from the sun is at its maximum.

scientists observe changes in climate during aphelion and perihelion.

the concept of aphelion is crucial in astronomy.

aphelion affects the length of seasons on earth.

many planets have their own unique aphelion distances.

calculating aphelion requires knowledge of orbital mechanics.

astrophysicists study the effects of aphelion on satellite orbits.