parsec in English
noun
1
a unit of distance used in astronomy, equal to about 3.26 light years (3.086 × 10 13 kilometers). One parsec corresponds to the distance at which the mean radius of the earth's orbit subtends an angle of one second of arc.
But cosmologists are so comfortable with millions and billions that none of them feel the urge to invent a unit much beyond the light-year or the parsec .
Use "parsec" in a sentence
Below are sample sentences containing the word "parsec" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "parsec", or refer to the context using the word "parsec" in the English Dictionary.
1. Readme for Appar-0.1.8 [back to package description] This is subset of Parsec
2. One parsec is the distance a star would have if its observed parallax angle was one arcsecond.
3. Examples of this are “avionics” (from “aviation electronics”) and “parsec” (from parallax and second), an astronomical unit equal to 3.26 light-years.
4. The parsec (parallax arcsecond) is defined in terms of the astronomical unit, being the distance of an object with a parallax of 1 arcsecond.