The Magellan space probe reaches Venus.

The Magellan spacecraft was a 1,035-kilogram (2,282 lb) robotic space probe launched by NASA on May 4, 1989. Its mission objectives were to map the surface of Venus by using synthetic-aperture radar and to measure the planetary gravitational field.

Magellan at Kennedy Space Center
Magellan at Kennedy Space Center (Source: Wikimedia Commons)
Mgnlogo3 small
Mgnlogo3 small (Source: Wikimedia Commons)
Magellan - spacecraft bus
Magellan - spacecraft bus (Source: Wikimedia Commons)
Magellan - attitude and propulsion
Magellan - attitude and propulsion (Source: Wikimedia Commons)

Watch: The First Time We Saw All of Venus: The Magellan Mission

From the SciShow Space channel.

Sources and further reading: Wikipedia — Magellan (spacecraft), Venus (CC BY-SA). Images: Wikimedia Commons.