YOU SAID:

spaceship flies into atoms that are smaller than the fly that sits on the moon

INTO JAPANESE

宇宙船は月に座っているハエよりも小さい原子に飛ぶ

BACK INTO ENGLISH

Spacecraft flies to atoms smaller than flies sitting on the moon

INTO JAPANESE

宇宙船は月面に座っているハエよりも小さな原子に飛ぶ

BACK INTO ENGLISH

Spacecraft flies to atoms smaller than flies sitting on the moon