What is the composition of vega star?

Answer 1

Like other stars, Vega is primarily hydrogen and helium.

In fact is particularly low in any elements heavier than helium.

Answer 2

Vega is a main-sequence star that belongs to the spectral class A, with a surface temperature of about 9,600 Kelvin. It predominantly consists of hydrogen and helium, with trace amounts of other elements. It is relatively young, with an estimated age of around 455 million years.