yer tuta. Tabiiy bir yoldaşı - Ay - bar. Dalrymple G. B. The age of the Earth in the twentieth century: a problem (mostly) solved (англ.) // Geological
Alexander Men Prize[d] Delta Prize for Global Understanding[d] Champions of the Earth[d] (2006) Harvey Prize[d] (1992) Otto Hahn Peace Medal[d] (1989) Golden