Apollo 11 was the first manned mission to land on the moon, with Neil Armstrong and Buzz Aldrin becoming the first humans to walk on the lunar surface.

Sputnik 1 was the first artificial satellite to be successfully launched into Earth orbit, marking the beginning of the Space Age.

Viking 1 was the first spacecraft to successfully land on Mars and return images and data from the planet's surface.

Venera 3 was the first spacecraft to successfully land on Venus, although it was crushed by the planet's high atmospheric pressure.

No spacecraft has yet successfully landed on Jupiter's moon, Europa.

Cassini-Huygens was the first spacecraft to successfully land on Saturn's moon, Titan, and explore its methane lakes and rivers.

No spacecraft has yet successfully landed on Uranus's moon, Miranda.

No spacecraft has yet successfully landed on Neptune's moon, Triton.

New Horizons was the first spacecraft to successfully fly by and study Pluto, providing valuable data and images of the dwarf planet.

Hayabusa was the first spacecraft to successfully land on an asteroid, Itokawa, and return samples of its material to Earth.

Rosetta was the first spacecraft to successfully land on a comet, 67P/Churyumov-Gerasimenko, and study its composition and activity.

No spacecraft has yet successfully landed on the sun.

MESSENGER was the first spacecraft to successfully orbit and study Mercury, providing valuable data and images of the planet's surface and composition.

Dawn was the first spacecraft to successfully orbit and study two dwarf planets, Ceres and Vesta, providing valuable data and images of their surfaces and compositions.

Galileo was the first spacecraft to successfully orbit Jupiter and study its moons, including Europa, Ganymede, and Callisto, providing valuable data and images of their surfaces and compositions.