When the dwarf reaches 1.4 times the mass of the Sun, the star spontaneously detonates in a fantastically bright thermonuclear blast. Nothing remains of the dwarf except debris. The Sirius system ...

At opposition, Jupiter will shine at a magnitude of -2.8, which is nearly four times brighter than Sirius, the brightest star ...

During this event, Mars will be directly opposite the Sun from Earth's perspective ... brightest objects in the night sky, comparable to Sirius, the brightest star. This brightness is due to ...