نجوم کروی 2
سوال :
agar taghirate meyle khorshido dar toole yek rooz dar nazar begirid , zamani ke khorshid dar bishtarin ertefa khod gharar darad , bazamani ke khorshid roye nesfonahare mabda'e gharar darad ekhtelaf darad .
A) hade aksare in ekhtelaf dar che roozi etefagh mioftad ?
B) hade...