n. Tiros (naam van serie satellieten die foto's nemen van het wolkenomhulsel van de aarde)
Wikipedia
TIROS-1
TIROS-1 (or TIROS-A) was the first full-scale weather satellite (the Vanguard 2 satellite was the first experimental/prototype weather satellite), the first of a series of Television Infrared Observation Satellites placed in low Earth orbit.