arcsecond
ریشه و کاربرد
ریشه
Derived from the words 'arc' and 'second'.
مثال
- The star moved 15 arcseconds across the sky.
- One degree is equal to 3600 arcseconds.
- The telescope can resolve details down to one arcsecond.
ترکیبهای رایج
Arcsecond of angle Measure in arcseconds
تعریف انگلیسی
noun
- a 60th part of a minute of arc “the treasure is 2 minutes and 45 seconds south of here”