solar parallax Synonyms
No Synonyms and anytonyms found
solar parallax Meaning
solar parallax (n)
the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit
solar parallax ()
The parallax of the sun, that is, the angle subtended at the sun by the semidiameter of the earth. It is 8.80, and is the fundamental datum.
solar parallax Sentence Examples
- The solar parallax method employs Earth's movement to measure the distance between Earth and the Sun.
- The solar parallax value is approximately 8.794 arcseconds, which corresponds to an average distance between Earth and the Sun of 93 million miles.
- Accurate determination of solar parallax was crucial for astronomers to calculate astronomical distances in the past.
- The solar parallax varies slightly throughout the year due to Earth's elliptical orbit around the Sun.
- Eratosthenes first estimated solar parallax in the 3rd century BCE, but his value was much larger than the true value.
- The solar parallax method is still used today as a fundamental tool for celestial navigation.
- Measuring solar parallax from different locations on Earth provides a basis for determining Earth's equatorial radius.
- Parallax measurements, including solar parallax, played a vital role in Copernicus's heliocentric theory.
- The solar parallax angle is inversely proportional to the distance between Earth and the Sun.
- Historically, the determination of solar parallax has been a challenge due to the need for precise angular measurements.
FAQs About the word solar parallax
the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unitThe parallax of the sun, that is, the angle subtended at th
No synonyms found.
No antonyms found.
The solar parallax method employs Earth's movement to measure the distance between Earth and the Sun.
The solar parallax value is approximately 8.794 arcseconds, which corresponds to an average distance between Earth and the Sun of 93 million miles.
Accurate determination of solar parallax was crucial for astronomers to calculate astronomical distances in the past.
The solar parallax varies slightly throughout the year due to Earth's elliptical orbit around the Sun.
