The black Hole was detected because of its effects on its neighbouring star. why do astromers have to rely on indirect evidence for looking at stars?
Onyofi oyo tai vilima oya li ya kwatela komesho ovanongo veenyofi fiyo openi, nomolwashike ovalumenhu ovo va li va ya nondjila imwe i lili eshi va shuna koshilongo shavo?