text: well generally the 1st satelite was launched to spy US by USSR(Sputnik 1)but there r various other uses today:\n1. Weather Notification\n2. communication\n3. Location of hidden places n resources under the earth\n4. Location of space objects or if any then dangers\n5. nowadays the r used 4 various computer surgeries through which a doctor in US can perform an operation of a patient in India.