Tags: Spacecraft.
Venera 13 (Russian: Венера-13 meaning Venus 13) was a probe in the Soviet Venera program for the exploration of Venus.Venera 13 and 14 were identical spacecraft built to take advantage of the 1981 Venus launch opportunity and launched 5 days apart Venera 13 on 1981-10-30 at 06:04:00 UTC and Venera 14 on 1981-11-04 at 05:31:00 UTC both with an on-orbit dry mass of 760 kg.