Alien
noun
You know how 宇宙 is space? Well, a person from space is an alien.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. It will also help to know how to read the word 宇宙 on its own, too.
宇宙人と友達になってはいけないと言われて、余計になりたくなった。
When I was told not to be friends with aliens, it made me want to do it even more.
平たく言えば、私達も宇宙人だよね。
To put it simply, we're aliens too, aren't we?
コウイチの写真は、火星で干ばつと大恐慌の犠牲となった宇宙人たちを正直に、かつ同情を込めてとらえている。
Koichi’s photographs honestly and sympathetically portray aliens who were victims of drought and the Great Depression on Mars.