Mvura inonaya inoumbwa sei?
Rainbows dzinogadzirwa nemubatanidzwa wezvinhu zvakasiyana-siyana: mashandiro anoita chiedza, zvikamu zvacho uye kudyidzana kwacho pamwe chete nemashandiro anoita madonhwe emvura uye pakona panosangana zuva nemadonhwe emvura. Kusiyana nezvinofungwa nevakawanda, madonhwe emvura ane chimiro chedenderedzwa uye apo chiedza chinopfuura nomudenderedzwa iri rakawanda, chiedza chinoparadzirwa nemhaka yokutyora mumativi aro akareba emasaisai anowirirana nomuenzaniso weVIBGYOR.