Launched in 1968, Zond 5 became the first spacecraft to circle the Moon and return safely to Earth, carrying turtles, wine flies, meal worms, plants, and bacteria that became the first living creatures to survive a circumlunar flight.

4 Vesta

A massive asteroid roughly 530km in diameter with a heavily cratered surface, featuring a gigantic impact basin at its south pole that exposed its internal structure and ejected numerous fragments that now form the Vesta family of asteroids.

Launched in 1977, Voyager 1 became humanity's most distant spacecraft, visiting Jupiter and Saturn before entering interstellar space in 2012, and continues to transmit data while being over 15 billion miles from Earth.