Defenition of the word parsec
    
    - 
        
Defenition of the word parsec
        
                    - The distance from which one arcsecond represents one astronomical unit. It equals to about 3.261633 light years.
 
                    - a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
 
                
     
Synonyms for the word parsec
Hypernyms for the word parsec
See other words