Could the nearby star Sirius B explode as a type Ia supernova, like some other white dwarf stars in binary star systems have? Bruce Mason Encinitas, California A type Ia supernova occurs when a ...

An illustration of the “dog star” Sirius A and its smaller companion Sirius B, nicknamed “the pup” NASA, ESA and G. Bacon (STScI) Known as the “dog star” for its place amid the ...

The Sirius system, about 8.6 light-years from us, does include a white dwarf star (Sirius B) orbiting a companion (Sirius A). However, Sirius B is not close enough to its companion to accrete ...