7parsec
Naples
The parsec is the parallax angle of one arcsecond, an astronomical unit of length used to measure interstellar distances. One parsec is about 3.26 light-years. 7 is the distance that divides…
The parsec is the parallax angle of one arcsecond, an astronomical unit of length used to measure interstellar distances. One parsec is about 3.26 light-years. 7 is the distance that divides…