<a href="http://pluto.jhuapl.edu/Multimedia/Science-Photos/image.php?page=3&gallery_id=2&image_id=67" target=" blank">NASA/JHUAPL/SwRI</a></em>
<a href="http://pluto.jhuapl.edu/Multimedia/Science-Photos/image.php?page=3&amp;gallery_id=2&amp;image_id=67" target=" blank">NASA/JHUAPL/SwRI</a></em>
Europa, a moon with an underground ocean that might host extraterrestrial life, rises over Jupiter in this image from New Horizons.

As New Horizons Speeds Toward Pluto, We Revisit Its Gorgeous Jupiter Pics

Pluto won’t be the only world the New Horizons spacecraft gets a good look at.

In 2007, New Horizons caught an angry volcano in the act of exploding. Blasting plumes of material 180 miles into the sky, the volcano is called Tvashtar — and it’s located on Io, one of Jupiter’s four largest moons.

Why Jupiter? Even though New Horizons is the fastest spacecraft ever launched, it needed a bit of help on its 3-billion-mile journey to Pluto. As the spacecraft swung around Jupiter, it used the planet’s gravity as a speed booster and ultimately shaved almost four years off its total travel time to Pluto. (Learn more about the historic mission to Pluto on the National Geographic Channel.)

But in

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