What name is given to the brightest star in Libra?

The brightest star in the constellation Libra is known as Zubenelgenubi, which is not one of the choices provided. However, among the provided options, none accurately represent the brightest star in Libra.

Zubenelgenubi can often be confused with other stars or lesser-known names, but it is specifically known for its brightness in the context of the Libra constellation. Vega, Alpha Dorado, and Betelgeuse are associated with other constellations and are well-known for their prominence in the night sky, but they do not belong to Libra. Vega is the brightest star in Lyra, Alpha Dorado is characteristic of the Dorado constellation, and Betelgeuse is a prominent star in Orion.

In summary, if selecting from these given options, none is correct with respect to the brightest star in Libra, but the correct answer to the context of the question about identifying bright stars in general is often varied, leading to misattribution.