When the next astronaut to reach the moon walks on the lunar surface in 2024, she'll face radiation levels 200 times higher than on Earth.
원문출처 : https://www.cnn.com/2020/09/25/world/moon-radiation-astronauts-exposure-scn/index.html
원문출처 : https://www.cnn.com/2020/09/25/world/moon-radiation-astronauts-exposure-scn/index.html