Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Mukati mokuratidzwa kwayo muna 1986, Halley's Comet yakava kometi yokutanga kucherekedzwa muudzame nengarava dzomuchadenga, ichipa mashoko okutanga okucherechedza pamusoro pomuviri wecomet nucleus uye muitiro wokuumbwa kwecoma nomuswe. Kucherekedza uku kwakatsigira pfungwa dzakawanda dzagara dzichifungwa nezvokuumbwa kwemakomoti, zvikurukuru muenzaniso waFred Whipple we"dirty snowball", uyo akafanotaura zvakarurama kuti Halley aizoumbwa nesanganiswa yeaizi inonyangarika - yakadai semvura, carbon dioxide, uye ammonia - uye guruva. Zvirongwa zvacho zvakapawo mashoko akachinja zvikuru uye akachinja pfungwa idzi; somuenzaniso, zvino kunzwisiswa kuti pamusoro peHalley pane guruva, zvinhu zvisingapfuuri, uye kuti chikamu chiduku bedzi chacho chine chando.  Mubvunzo: Inonzii kometi yokutanga yakaonekwa nezvikepe zvomuchadenga zvakadzama?
Kometi yaHalley