When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically become white dwarfs ... the same star may already have spent ...

The search for habitable planets has taken a leap forward with new space telescopes probing exoplanet atmospheres for life.

so these are the three shortest orbital periods among dwarf novae with normal‐abundance secondaries. GW Lib has attracted attention as a cataclysmic binary showing apparent ZZ Ceti type pulsations of ...