Astronomy Unit (Noun)
Meaning
A linear unit used for astronomical distances.
Classification
Nouns denoting quantities and units of measure.
Examples
- The average distance from the Earth to the Sun is about 1 astronomy unit.
- A standard astronomy unit is equivalent to about 93 million miles or 149.6 million kilometers.
- In our solar system, Pluto's average distance from the Sun is approximately 39.5 astronomy units.
- The astronomy unit provides a convenient measure for expressing vast interstellar and intergalactic distances.
- One light-year is equivalent to about 63,241 astronomy units, a useful conversion for astronomers.