Longitude those points (unless on the equator, where these are equal); the difference is less than . A geographical mile is defined to be the length of one minute of arc along the equator (one equatorial minute of longitude), therefore a degree of longitude along the equator is exactly 60 geographical miles or 111.3 kilometers, as there are 60 minutes in a degree. The length of 1 minute of longitude along the equator is 1 geographical mile or , while the length of 1 second of it is 0.016 geographical mile or . Planetary co-ordinate systems are defined relative to their
Passenger from the "Equator" finds Ilmar on the shore of the stormy sea, who does not remember how he came to be in the water. Everything looks as if he fell into the water from the pier. Soon Ilmar and his new friends in the pioneer camp will again meet with the mysterious stranger ... Elena Kamburova — song "The Little Prince". Passenger from the "Equator" Passenger from the "Equator" () is a 1968 Soviet children's adventure film directed by Aleksandr Kurochkin. Young swimmer Ilmar sails on the ship "Equator" to the pioneer camp, located somewhere on the Black Sea shore. Accidentally, he witnesses