noun, masculine/ˈastɾo/plural: astros
astro is masculine in Spanish.
cosmic body, celestial body; star (famous person)
“Los hinchas hacen dos kilómetros de cola para despedirse del astro del fútbol argentino” — Fans line up for two kilometers to say goodbye to the Argentinian soccer star
Borrowed from Latin astrum, from Ancient Greek ἄστρον (ástron).