Hence , it appears that the LF perceived by astronauts in space have different causes .
The Cherenkov effect can cause Cherenkov light to be emitted in the vitreous body of the eye and thus allow the person to perceive the LF .
It appears that the LF perceived by astronauts in space have different causes .
The Cherenkov effect can cause Cherenkov light to be emitted in the vitreous body of the eye and thus allow the person to perceive the LF .