How is the star cycle a cycle?

first it come from da momaden dat dude become a starden that boy turns into dat big red giantden he turn to some miget white dwarfden he get fat agian to much kfc turn into a red giantden he get so...

The life of a star is longer than a human lifetime. In the case of our sun, it's something like 185 million times longer.

Altair is still in the main sequence stage of a stars life. See related link for more information.

nebula, protostar, blue giant, super red giant, supernova, black hole or pulsar

A red giant, when a main sequence star begins fusing helium into carbon in the star's core. When our Sun becomes a red giant, in another 4 billion years or so, it will expand to consume Mercury and...