YOU SAID:
Why is the sun yellow
INTO JAPANESE
太陽が黄色い理由
BACK INTO ENGLISH
why the sun is yellow
INTO JAPANESE
なぜ太陽は黄色いのか
BACK INTO ENGLISH
why is the sun yellow
INTO JAPANESE
なぜ太陽は黄色いのですか
BACK INTO ENGLISH
why is the sun yellow
That didn't even make that much sense in English.