Venera 15 was a 4V-2 Venus orbiter that entered polar orbit in October 1983 and used side-looking radar to map the northern hemisphere at roughly 1 to 2 kilometer resolution while returning interplanetary science.
Venera 15 was a 4V-2 Venus orbiter that entered polar orbit in October 1983 and used side-looking radar to map the northern hemisphere at roughly 1 to 2 kilometer resolution while returning interplanetary science.