Comet Siding Spring at Mars, 209P/Linear at Earth, and other close encounters with comets

Hellow guys, Welcome to my website, and you are watching Comet Siding Spring at Mars, 209P/Linear at Earth, and other close encounters with comets. and this vIdeo is uploaded by SETI Institute at 2014-11-01T12:05:25-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.