Carina is a constellation in the southern sky.
New!!: Y Carinae and Carina (constellation) ·
Classical Cepheids (also known as Population I Cepheids, Type I Cepheids, or Delta Cephei variables) are a type of Cepheid variable star.
In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.
New!!: Y Carinae and Epoch (astronomy) ·
A star is a luminous sphere of plasma held together by its own gravity.
New!!: Y Carinae and Star ·
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
New!!: Y Carinae and Variable star ·