1Venera 4 was the first spacecraft to measure the atmosphere of another planet.
2The following Venera missions became more and more successful, as the Soviets learned from their earlier attempts.
3And the Venera 13 lander was the first spacecraft to return sounds from the surface of another world.
4The family of Venera Minakhmetova, the fourth victim to die in nine days, says her death must lead to changes.
5The Soviet Union originally designed the vehicle to explore Mars, but repurposed three of them as Venera probes to visit Venus.
6Just ask the Russians, they lost Venera 7, 8, 9 and 10 to these harsh conditions in the 1970s.
7Venera 13 transmitted the photo below and 13 others from the Venusian surface March 1, 1982, exactly 16 years after Venera 3 landed.
8The first images returned from the surface of another world were sent from the Soviet Venera 9 lander after it touched down in 1975.