What causes a blood red moon?
What causes a blood red moon?  
Podcast: Ask the Naked Scientists
Published On: Fri Feb 21 2014
Description: The cause of a blood red moon, is there an upper limits for temperature, where does the Sun's hydrogen come from, what does a blind person see in their mind's eye, and are e-cigarettes safer? Join Dr Chris Smith as he tackles the top questions sent in to Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists