The Comet Research Group crowdfunding site https://www.indiegogo.com/projects/killer-comets-are-coming/ The Comet Research Group website with all the backup data http://cometresearchgroup.org/ The Comet Research Group facebook page https://www.facebook.com/thecometresearchgroup The Comet Research Group is part of a non-profit, charitable corporation that collaborates with 63 scientists from 55 universities in 16 countries. Their discoveries have … Continue reading Comet Research Group