Arcsecond
= Arcsecond
{title2=$1''=\pi/648000\ \mathrm{rad}$}
An arcsecond is $1/3600$ of a degree, equivalently $\pi/648000$ radians. There are approximately $206265$ arcseconds in a radian.
= Arcsecond
{title2=$1''=\pi/648000\ \mathrm{rad}$}
An arcsecond is $1/3600$ of a degree, equivalently $\pi/648000$ radians. There are approximately $206265$ arcseconds in a radian.