Meanwhile, new recruits Vath Sarn and Isamot Kol are assigned to divert ships away from an unstable star.

Tau Lyra has always been an unstable star, with long-term cycles of core activity which have showed up on spectroscopic records for three hundred years.

Mu Cephei is currently an unstable star, showing irregular variations in light output, temperature, and size.

Eta Carinae is one of the most massive, and therefore unstable, stars in the galaxy.

With the hydrogen consumed in their core region, these unstable stars are now passing through later stages of nuclear burning.

Other classes of unstable main-sequence stars, like Beta Cephei variables, are unrelated to this instability strip.

This however clearly took its toll on the sensitive and already unstable former star.

The film is nearly five weeks over schedule, and Kitty, its mentally unstable star, seems too defeated to continue.

The theory most often heard is that the coordinates have nothing to do with where the Erisians went but were part of some long-term study and research program involving unstable stars.

If you will recall, every destination so far identified has proven to be an unstable star, including many that later went nova, even supernova.