perihelion

Noun

Meaning

Alt. of Perihelium

Source: Webster's dictionary

Synonyms

union meridian apogee equinox period approach connection circle conjunction convergence junction ecliptic conjugation juxtaposition contiguity
Show all synonyms

Antonyms

aphelion apogee

Hypernyms

periapsis point of periapsis

Derivatives

perihelia

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

Close letter words and terms

perihelia perihelial perihelic perihelium perihematoma perihematomal