re:Ground-level radiation on Mars
So that's how many Cosmic Rays penetrate the atmosphere per square (insert aperture size) every 30 seconds! Worse if the exposure was shorter.
Space/Science » in reply to time of exposure question
Space/Science » in reply to time of exposure question
So that's how many Cosmic Rays penetrate the atmosphere per square (insert aperture size) every 30 seconds! Worse if the exposure was shorter.