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Title: New Horizons snaps a few images as it swings by Jupiter

These images of Jupiter and some of its largest moons were taken by the New Horizons spacecraft as it passed by the planet. See captions below.

Title: Jupiter with two of its moons, Io and Ganymede
Jupiter, Io, and Ganymede

Photo courtesy NASA/JHUAPL/SwRI

Title: Close-ups of Ganymede and Europa
Ganymede and Europa close-ups

Photo courtesy NASA/JHUAPL/SwRI

Title: Jupiter's Red Spot Jr.
Jupiter's Red Spot Jr.

Photo courtesy NASA/JHUAPL/SwRI


Jupiter and two of its moons

The volcanic moon Io is the closest moon to the right of Jupiter. The icy moon Ganymede is in the upper-right corner of the image. The dark spots on the planet are shadows from the moons.


Close-up views of the moons Ganymede and Europa

The image of Ganymede on the left reveals dark patches of ancient terrain. The icy surface is peppered by more recent impact craters that have splashed fresh, bright ice across the surface. Ganymede is the largest moon in the solar system. The image of Europa on the right shows breaks on the moon’s icy surface, which appear as lines. Astronomers think that an ocean lies beneath the icy surface.


A close-up look at Red Spot Jr.

Red Spot Jr. is a smaller cousin of the Great Red Spot. Red Spot Jr. is a storm the size of Earth that formed in the past decade from the merger of three smaller storms.