perihelion

Noun

Meaning

Alt. of Perihelium

Source: Webster's dictionary

Synonyms

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Antonyms

Hypernyms

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Examples

Although predicting the brightness of comets with any degree of accuracy is very difficult, Hale–Bopp met or exceeded most predictions when it passed perihelion on April 1, 1997. Source: Internet

A secular resonance occurs when the precession of two orbits is synchronised (usually a precession of the perihelion or ascending node ). Source: Internet

Based on measurements of the aphelion and perihelion of the Earth and Mars, he created a formula in which a planet's rate of motion is inversely proportional to its distance from the Sun. Source: Internet

At the time of its discovery, Chiron was close to aphelion, whereas the observations showing a coma were done closer to perihelion, perhaps explaining why no cometary behavior had been seen earlier. Source: Internet

But the perihelion of the planet Mercury 's orbit exhibits a precession that cannot be fully explained by Newton's laws of motion (see diagram to the right), as Leverrier pointed out in 1859. Source: Internet

Aphelion is 103.4% of the distance to perihelion. Source: Internet

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