university in china have estimated that graphene is about 1.9. also, these investigations confirmed that there are large amounts of graphite with a crystalline structure in the soil of the moon. by examining the composition and structural properties of natural graphene, researchers provided rich information about geological evolution. graph plays an important role. in various fields including space science and astronomy. the iranian team won the taekwondo world cup for the second year in a row. in this tournament , which is hosted by south korea, the men's team of our country consists of mehdi abdini, mohammad hossein yazdani, ali khoshrosh and abolfazl zandi won the title for the second year in a row by winning against sahel haj and south korea. he was 60 years old, the calendar said so, but he had the vitality and effort of a 40-year-old person, with a tall stature that did not show the least curvature in it. he knows what year kiane newspaper 3 years, 40 years, 40 years, yes b, and so polite and reserved that he would become a rogue in the pre