Agency
The Soviet Russian Venera 15 spacecraft
The Soviet Union's Venera 15 and 16 missions (1983-1984) mapped the surface of Venus and provided the first detailed look at the mesosphere and cloud tops with thermal emission spectroscopy.
The Soviet Union's Venera 15 and 16 missions (1983-1984) mapped the surface of Venus and provided the first detailed look at the mesosphere and cloud tops with thermal emission spectroscopy.
