The sun/atmosphere causes the sky to be blue, but why is it transparent when looking at the Earth from space? - Quora
Is the sky blue because of the reflection of the ocean or does the ocean look blue because of the sky's reflection on the water? - Quora
![Why is the Sky Blue? Or Better Yet, Why is the Ocean Blue? | Office for Science and Society - McGill University Why is the Sky Blue? Or Better Yet, Why is the Ocean Blue? | Office for Science and Society - McGill University](https://www.mcgill.ca/oss/files/oss/styles/hd/public/blue-water-237687_1920.jpg?itok=3Sdt0_qb×tamp=1580497594)