What does perihelion mean?
Definitions for perihelion
ˌpɛr əˈhi li ən, -ˈhil yən; -ˈhi li ə, -ˈhil yəper·i·he·lion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word perihelion.
Princeton's WordNet
perihelionnoun
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
Wiktionary
perihelionnoun
The point in the elliptical orbit of a planet or comet etc. where it is nearest to the Sun.
Wikipedia
perihelion
An apsis (from Ancient Greek ἁψίς (hapsís) 'arch, vault'; pl. apsides AP-sih-deez) is the farthest or nearest point in the orbit of a planetary body about its primary body. For example, for orbits about the Sun the apsides are called aphelion (farthest) and perihelion (nearest).
ChatGPT
perihelion
Perihelion refers to the point in the orbit of a planet, asteroid, or comet where it is closest to the sun. It is derived from the Greek words 'peri', meaning near, and 'helios', meaning sun. The opposite of perihelion is aphelion, which is the point in an object's orbit when it is farthest from the sun.
Webster Dictionary
Perihelionnoun
alt. of Perihelium
Chambers 20th Century Dictionary
Perihelion
per-i-hē′li-on, n. the point of the orbit of a planet or a comet at which it is nearest to the sun—opp. to Aphelion.—Also Perihē′lium. [Gr. peri, near, hēlios, the sun.]
The Nuttall Encyclopedia
Perihelion
the point on the orbit of a planet or comet nearest the sun.
Dictionary of Nautical Terms
perihelion
That point in the orbit of a planet or comet which is nearest to the sun.
Matched Categories
Usage in printed sourcesFrom:
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Numerology
Chaldean Numerology
The numerical value of perihelion in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of perihelion in Pythagorean Numerology is: 3
Examples of perihelion in a Sentence
This time, as we're riding along next to the comet, the most logical way to end the mission is to set Rosetta down on the surface, but there is still a lot to do to confirm that this end-of-mission scenario is possible. We'll first have to see what the status of the spacecraft is after perihelion and how well it is performing close to the comet, and later we will have to try and determine where on the surface we can have a touchdown.
We're very happy, we've managed to bring down at least twice as much data as we originally suspected we'd get from those first two perihelion passes.
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References
Translations for perihelion
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"perihelion." Definitions.net. STANDS4 LLC, 2024. Web. 2 Nov. 2024. <https://www.definitions.net/definition/perihelion>.
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