Perihelion: What is it and when does it occur? - Space. com The term "perihelion" describes the point in an astronomical body's orbit where it is nearest to the sun Derived from the Greek words peri (around) and helios (sun), the word reflects its
Perihelion and Aphelion - Closest and Farthest Points From the Sun In astronomy, perihelion and aphelion are the two extreme points in Earth’s elliptical orbit around the Sun These terms also apply to any object orbiting the Sun or another star Perihelion is the point where the object is nearest to the Sun, while aphelion is when it is farthest away
Perihelion and Aphelion: How Far Is the Sun from Earth? | The Old . . . In 2025, Earth will be 91,405,993 miles away from the Sun at perihelion and 94,502,939 miles away from the Sun at aphelion So, Earth is about 4,800,000 km (3,000,000 miles) farther from the Sun in July than in January
Comet 3I ATLAS reaches perihelion - Astronomy Magazine Comet 3I ATLAS reaches perihelion, begins solar transit Now hidden from Earth, the comet is being monitored by a fleet of interplanetary spacecraft during its closest approach to the Sun