When the moon completely enters the Earth's umbra, the moonlight is refracted through the atmosphere, and the longer wavelengths of red light reach the moon, creating the phenomenon known as 'blood moon'.
Total lunar eclipse after about 3 years
This article was translated automatically from the Korean original. Read the original in Korean
Blood Moon (Total Lunar Eclipse)
When the moon completely enters the Earth's umbra, the moonlight is refracted through the atmosphere, and the longer wavelengths of red light reach the...
