astronomical unit Synonyms
No Synonyms and anytonyms found
astronomical unit Meaning
astronomical unit (n)
a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)
astronomical unit Sentence Examples
- An astronomical unit is a unit of measurement used to describe distances within our solar system, roughly equal to the average distance between the Earth and the Sun.
- The asteroid passed within 1.2 astronomical units of Earth, posing no threat to the planet.
- Astronomers often express distances in terms of astronomical units when discussing planetary orbits.
- The spacecraft traveled over 10 astronomical units from the Sun to reach the outer reaches of the solar system.
- The distance from Mars to the Sun is approximately 1.5 astronomical units.
- Comet Hale-Bopp had an aphelion of 370 astronomical units, making it one of the most distant comets observed from Earth.
- Voyager 1, the farthest human-made object from Earth, has traveled over 150 astronomical units since its launch in 1977.
- The dwarf planet Pluto orbits the Sun at an average distance of about 39 astronomical units.
- Proxima Centauri, the closest star to the Sun, is located at a distance of about 270,000 astronomical units.
- The concept of the astronomical unit facilitates the understanding of distances in the vastness of space within our solar system.
FAQs About the word astronomical unit
a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 mil
No synonyms found.
No antonyms found.
An astronomical unit is a unit of measurement used to describe distances within our solar system, roughly equal to the average distance between the Earth and the Sun.
The asteroid passed within 1.2 astronomical units of Earth, posing no threat to the planet.
Astronomers often express distances in terms of astronomical units when discussing planetary orbits.
The spacecraft traveled over 10 astronomical units from the Sun to reach the outer reaches of the solar system.
