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Only spacecraft to have visited Uranus and Neptune; detailed images and data of all the outer planets' moons; measured Neptune's atmospheric weather patterns.

First spacecraft to pass through the asteroid belt; sent the first close-up images of Jupiter; first man-made object to leave the proximity of the major planets of the Solar System.

First spacecraft to reach interstellar space; detailed images and data of Jupiter's and Saturn's moons and rings; discovery of volcanic activity on Io.

Identified ancient freshwater environments on Mars; made organic molecule and methane detections; provided insights into Martian climate and geology.

High-resolution images of distant galaxies; helped to determine the rate of expansion of the Universe; discovery of exoplanets.

Studied Mars' atmosphere and terrain from orbit; uncovered evidence of water flow; served as a key communications relay for Mars rovers.

Discovered a multitude of exoplanets; determined size and orbit of these planets; provided data to study stellar variability and galactic structure.

First reconnaissance of Pluto, providing high-resolution images and data of its surface and moons; continued mission in the Kuiper Belt.

Performed a detailed study of comet 67P/Churyumov-Gerasimenko; deployed the Philae lander to the comet's surface; first spacecraft to orbit a comet's nucleus.