Conversation so far:
where is the star vega in the sky
Vega is visible in the summer sky of the Northern Hemisphere. It is part of the constellation Lyra and, with the stars Deneb and Altair, forms the Summer Triangle.
what kind of star is vega
Vega is a bright white main sequence star.
how far from earth is vega
Vega is a bright star located just 25 light-years from Earth

Question: how old is the star
Self-contained rewrite: how old is the star vega