How much water does Jupiter really have? Here's what NASA's Juno mission found

By Ashley Strickland, CNN

Updated 4:22 PM ET, Wed February 19, 2020

This jack-o-lantern-esque view of Jupiter is a mosaic of images taken by the Gemini North telescope in Hawaii. The bright spots represent Jupiter's internal heat escaping through holes in the planet's massive cloud cover.
Photos: Juno, meet Jupiter
This jack-o-lantern-esque view of Jupiter is a mosaic of images taken by the Gemini North telescope in Hawaii. The bright spots represent Jupiter's internal heat escaping through holes in the planet's massive cloud cover.
Hide Caption
1 of 28
Part of Jupiter's southern equatorial region can be seen in this image captured by Juno's JunoCam imager. But it's flipped to show the expanse of Jupiter's atmosphere, with the poles to the left and right, rather than top to bottom.
Photos: Juno, meet Jupiter
Part of Jupiter's southern equatorial region can be seen in this image captured by Juno's JunoCam imager. But it's flipped to show the expanse of Jupiter's atmosphere, with the poles to the left and right, rather than top to bottom.
Hide Caption
2 of 28
In this image captured by Juno, six cyclones remain stable at Jupiter's south pole. A small cyclone, seen at the bottom right in yellow, has recently joined the party.
Photos: Juno, meet Jupiter
In this image captured by Juno, six cyclones remain stable at Jupiter's south pole. A small cyclone, seen at the bottom right in yellow, has recently joined the party.
Hide Caption
3 of 28
An artist's impression of a collision between a young Jupiter and a massive, still-forming protoplanet in the early solar system.
Photos: Juno, meet Jupiter
An artist's impression of a collision between a young Jupiter and a massive, still-forming protoplanet in the early solar system.
Hide Caption
4 of 28
These dramatic swirls on Jupiter are atmospheric features. Clouds swirl around a circular feature in a jet stream region.
Photos: Juno, meet Jupiter
These dramatic swirls on Jupiter are atmospheric features. Clouds swirl around a circular feature in a jet stream region.
Hide Caption
5 of 28
Is that a dolphin on Jupiter? No, but it definitely looks like one. It's actually a cloud that looks like it's swimming through cloud bands along the South Temperate Belt.
Photos: Juno, meet Jupiter
Is that a dolphin on Jupiter? No, but it definitely looks like one. It's actually a cloud that looks like it's swimming through cloud bands along the South Temperate Belt.
Hide Caption
6 of 28