D Dani Guest Mar 16, 2009 #1 ...to this star is? 1. 10 parsecs. 2. 0.1 parsec. 3. 10 light-years. 4. 0.1 light-year. 5. impossible to determine.
...to this star is? 1. 10 parsecs. 2. 0.1 parsec. 3. 10 light-years. 4. 0.1 light-year. 5. impossible to determine.
A AstroGeek New member Mar 16, 2009 #2 p = 1/a where p = distance in parsecs and a = angle in arcseconds.
B Brant Guest Mar 16, 2009 #3 One second of arc (by definition) indicates one parsec. So 0.1 seconds of arc would be 10 times that.
One second of arc (by definition) indicates one parsec. So 0.1 seconds of arc would be 10 times that.
B Brant Guest Mar 16, 2009 #4 One second of arc (by definition) indicates one parsec. So 0.1 seconds of arc would be 10 times that.
One second of arc (by definition) indicates one parsec. So 0.1 seconds of arc would be 10 times that.
