Question

Which star is called Dog Star?​

Answer 1

Sirius is nicknamed the "Dog Star" because it is part of the constellation Canis Major

Answer 2

The brightest star visible from any part of Earth is Sirius in the constellation Canis Major the Greater Dog. Sirius is sometimes called the Dog Star. Most people in the Northern Hemisphere notice Sirius in the southeast – south – or southwest on evenings from winter to mid-spring.