Kanti samvastaram . Astranomical unit . Parasek mudu but pedda pramanam parasek . Kanti samvastram 9.4 ten to the power of 12 km. .. parasak =3.26 kanti savastralu chinnadi dinilo astranamical unt
sar request to explanation in mathru bhasha ,kanisam board pi English lo rayandi idarikki vudyogam yemanaga tm varu English ni Telugu translate chesukogalaru adhe em variki Telugu padhalu ardham chesukovadiniki time thesukuntundhi