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"Estrella" is a form of "estrella", a noun which is often translated as "star". "Astro" is a noun which is often translated as "heavenly body". Learn more about the difference between "estrella" and "astro" below.
la estrella(
ehs
-
treh
-
yah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (astronomy)
a. star
Las estrellas brillaban como diamantes en el cielo nocturno.The stars were shining like diamonds in the night sky.
2. (shape)
a. star
La estrella en su pecho indica que él es el capitán del equipo.The star on his chest indicates that he is the captain of the team.
a. star
Muchas estrellas de la industria harán apariciones especiales en la ceremonia.Many stars of the industry will make special appearances at the ceremony.
4. (in ranking)
el astro(
ahs
-
troh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (astronomy)
a. heavenly body
Los satélites y los planetas son astros que forman parte del universo.Satellites and planets are heavenly bodies which form part of the universe.
b. star
Con el telescopio se aprecian multitud de astros en el cielo.You can see lots of stars in the sky through a telescope.