el marciano
-the Martian
See the entry for marciano.

marciano

el marciano, la marciana(
mahr
-
syah
-
noh
)
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
masculine or feminine noun
a. Martian
La gente se imagina a los marcianos como monstruos cuando ni siquiera sabemos si hay vida en el espacio.People think of Martians as monsters when we don't even know if there is life in space.
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. Martian
La atmósfera marciana tiene tanto dióxido de carbono que es imposible que allí vivan humanos.The Martian atmosphere has such a high level of carbon dioxide that it is impossible for humans to live there.
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