Definitions for perihelionˌpɛr əˈhi li ən, -ˈhil yən; -ˈhi li ə, -ˈhil yə
This page provides all possible meanings and translations of the word perihelion
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
The point in the elliptical orbit of a planet or comet etc. where it is nearest to the Sun.
alt. of Perihelium
The Nuttall Encyclopedia
the point on the orbit of a planet or comet nearest the sun.
Sample Sentences & Example Usage
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.
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