id	keyword
gc-273	impact
gc-273	shuttle
gc-273	craters
gc-273	space
gc-273	kratera
gc-273	structure
gc-273	sensing
gc-273	grieve
gc-273	photographs
gc-273	images
gc-273	radar
gc-273	analysis
gc-273	features
gc-273	struktura
gc-273	center
gc-273	lineamenata
gc-273	sar
gc-273	sir
gc-273	earth
gc-273	manicouagan
gc-273	fig
gc-273	jsc
gc-273	resolution
gc-273	et al
gc-273	aorounga
gc-273	snimci
gc-273	meteoritskih
gc-273	eros
gc-273	rim
gc-273	johnson
gc-273	impact craters
gc-273	oko
gc-273	snimaka