This recurrent nova, which last exploded in 1946, is just one of five observed within the Milky Way galaxy. To spot the outburst, viewers should point their gaze to Corona Borealis, which lies ...

At that time the planet in question is as close as it gets (just 0.4 au), so bigger, and because it’s 100% illuminated from our point of view, it’s as bright as it can be in our night sky.

Bright new star is expected to burst into sky in five years. Saturday, January 7, ... of Apache Point Observatory in New Mexico, that asked if KIC 9832227 was a pulsing or binary star.

In this case, the bright flash was caused by how energetically the black hole consumed its meal, a star that had passed too close to the ravenous compact object.

Although it looks like a single point of light, Sirius is a binary star system. However, Sirius A’s faint white-dwarf companion, Sirius B (sometimes called “The Pup” ), is small, dim and ...

A bright new star will burst into the sky in five years, astronomers predict January 6, 2017 More than 8 years ago A diagram of the binary star system KIC 9832227.