1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) (greek mythology) a maiden seduced by zeus; when hera was about to discover them together zeus turned her into a white heifer 2) a period of time spent sleeping 3) the atmosphere and outer space as viewed from the earth DOWN 1) an agency in the department of justice that enforces laws and regulations for the admission of foreign-born persons to the united states 2) the hard durable wood of any ___; used especially for furniture and flooring 3) (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors ** Scroll down for solution. ** Are you sure you want to peek? ios nap sky