Question

a perfectly circular orbit is a special situation. most orbits are elliptical even if they appear to be circular. two fixed points determine the shape of an ellipse. these are called foci. a circular orbit occurs when the two foci overlap. apply it enter your answer. there has a been a debate about pluto’s planet status for decades. once considered a planet, it now carries the designation of dwarf planet because it shares its orbital path with other objects of similar size. scientists have also observed that plutos orbital characteristics set it apart from the eight planets in our solar system. evaluate the eccentricity for pluto is 0.244. explain how this supports the fact that pluto does not match the other planets. check your answer.

Explanation:

Step1: Recall eccentricity concept

The eccentricity \(e\) of an orbit measures its deviation from a circular shape. A circular orbit has \(e = 0\), and an elliptical orbit has \(0

Step2: Compare Pluto's eccentricity

The eight planets in the solar - system generally have relatively low eccentricities, with most having eccentricities much less than 0.244. For example, Earth's eccentricity is about \(e = 0.0167\), Venus's is about \(e=0.0068\). Pluto's eccentricity of \(e = 0.244\) is significantly higher than those of the eight planets, indicating that its orbit is much more elongated (elliptical) compared to the orbits of the eight planets.

Answer:

Pluto's eccentricity of 0.244 is much higher than the generally low eccentricities of the eight planets in the solar - system. This indicates that Pluto's orbit is more elongated (elliptical) than the orbits of the other planets, which supports the fact that Pluto's orbital characteristics set it apart from the eight planets.