A rare comet was visible from San Diego last weekend. There are more chances to see it NBC San DiegoWatch: Comet Blazes In The Sky In Rare Display The Weather ChannelStriking photos show stunning, once-in-a-lifetime comet soaring over US USA TODAYBright Comet Tsuchinshan-ATLAS Climbs into Evening View Sky & TelescopeTwo comets from the spooky Oort Cloud are passing by our planet as Halloween approaches PBS NewsHour