In astronomy, the term perihelion refers to the point in the orbit of an asteroid, comet, or planet at which it is closest to the sun. aphelion refers to the point at which the object is furthest away from the sun. research facts about the dwarf planet ceres. calculate the average orbital speed of ceres in miles/hour when it is closest to the sun and when it is farthest away.

Orbital speed is given by the formula:

Mass of Ceres, M =

The closest distance of Ceres to sun is : 382,620,000,000 m

orbital speed of Ceres at perihelion is:

The farthest distance of Ceres to sun is : 382,620,000,000 m

orbital speed of Ceres at aphelion is: 414,010,000,000 m

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the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.