Why is Friday 13th considered 'unlucky day'?
friday 13th or black friday is an unlucky day in many people's notions. so what is the origin of this friday and the 13th and why is it considered a bad day?
Tags : friday
True moon, snow moon and comet will appear together today
don't miss the extremely rare astronomical phenomenon - the half-moon eclipse, the snow moon and the comet will all appear later this weekend!