perihelium Antonyms
No Synonyms and anytonyms found
Meaning of perihelium
Webster
perihelium (n.)
That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to aphelion.
perihelium Sentence Examples
- Earth's perihelium is the closest point in its orbit to the Sun, approximately 147 million kilometers distant.
- The spacecraft reached its perihelium on January 1st, passing a mere 1.5 million kilometers from the Sun.
- Comet Halley's perihelium occurs approximately every 75-76 years, making it a long-period comet.
- The temperatures on Mercury's surface can soar to extreme highs near its perihelium due to its proximity to the Sun.
- Scientists believe that studying the perihelium of exoplanets can provide insights into their orbital characteristics.
- The International Space Station's perihelium is about 400 kilometers above Earth's surface, while its apogee is approximately 416 kilometers.
- The perihelium of a celestial body marks a critical point in its orbit, where its distance from the central body is at its closest.
- By calculating the perihelium of an asteroid, astronomers can determine its orbital parameters and potential collision risk with Earth.
- Some satellites are placed in near-perihelion orbits to maximize their exposure to the Sun's energy.
- The perihelium of a spacecraft is a crucial factor in determining its mission trajectory and the scientific data it can collect.
FAQs About the word perihelium
That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to aphelion.
No synonyms found.
No antonyms found.
Earth's perihelium is the closest point in its orbit to the Sun, approximately 147 million kilometers distant.
The spacecraft reached its perihelium on January 1st, passing a mere 1.5 million kilometers from the Sun.
Comet Halley's perihelium occurs approximately every 75-76 years, making it a long-period comet.
The temperatures on Mercury's surface can soar to extreme highs near its perihelium due to its proximity to the Sun.
