Io is the third-largest natural satellite of Jupiter. Its thin atmosphere consists mainly of sulfur dioxide, and its characteristic yellow, orange, and red colors result from being covered in sulfur.

NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

Jamie Carter is an award-winning reporter who covers the night sky. An image of Jupiter and Io as seen by NASA's Juno on August 18, 2024 during its 64rd perijove. ... [+] Processed by citizen ...

Jupiter moon Io, imaged by SHARK-VIS on Jan. 10, 2024. This is the highest resolution image of Io ... [+] ever obtained by an Earth-based telescope. The image combines three spectral bands ...

The Galileo probe expanded on our knowledge of Jupiter's moon, Io, showing us just how hot and hellish the Jovian satellite could be.

Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters of more than 3000 kilometres. However, as of April 2023, we know it is also home to 91 additional small satellites.

Jupiter’s moon Io is the most volcanically active world in the Solar System. The gravitational tug-of-war between Jupiter and its other large moons squeezes Io so that its interior is molten.

NASA’s Juno spacecraft has captured a beautiful but terrifying infrared photo of Io, one of Jupiter’s moons ... will focus heavily on the Jovian satellite for the next several months.

Or perhaps more likely, look at under a microscope. The latest candidate for hosting nearby life is Jupiter’s moon, Io. Let’s take a look at what makes Io special, and what we might hope to ...

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