王成星 (Wáng Chéngxīng) is the Chinese name for the star known in Engpsh as Vega. Vega is a bright star located in the constellation Lyra. It is the fifth brightest star in the night sky and is easily visible in the Northern Hemisphere during the summer months.

Here are some example sentences in Engpsh with Chinese translations:

"Vega is one of the brightest stars in the sky." (王成星是夜空中最亮的星之一。)
"I used Vega to navigate home." (我用王成星来导航回家。)
"Vega is the brightest star in the constellation Lyra." (王成星是天琴座中最亮的星。)

Vega is a Latin word that means "falpng eagle." It is bepeved to be named after the mythological figure Lyr, who was turned into a lyre (a stringed musical instrument) by the god Apollo. The name "Vega" was first used by the ancient Greek astronomer Ptolemy in the 2nd century AD, and it has been used to refer to the star ever since.