Is seeing a comet really a sign of bad things to come???
What are comets made of?\xa0How old is the ice on a comet?\xa0Did Halley ever see Halley's comet? For free home activities sign-up at www.WhoSmarted.com\nSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.