New high-resolution photos of Jupiter's icy moonEuropa show the surface is covered with something akin to highways rather than craters.

It is thought that the most likely place to find life in the solar system would be in the water.

Scientists admit that one photo of the moon's heavily fractured icy crust is puzzling.

The image shows a region of fine grooves and double ridges on the surface of the moon.

There are dark stains near the upper right of the image and just to the right and below center.

Social media commenters immediately began offering theories, with some calling the lines a road map of highways, others suggesting they're tracks left by something sliding across the ice, and a few pointing out they saw a picture of a demon.

Some pointed out that the spot looked more like a giant footprint.

Scientists at NASA have theories of their own. They think the lines are places where the surface has pulled apart and something dark has filled in the crack.

Many people believe that there are cracks and ridges in the ice shell.

He said that the cracks were made worse by the swelling and falling of tides.

A huge, salty, liquid ocean is believed to be circled byEuropa. The temperature at the poles can be as low as minus 410 degrees.

Life can be found at even the most extreme locations on the planet. It could be true elsewhere in the solar system, according to scientists.

The image shows a region not previously imaged at such resolution and under revealing illumination conditions.

There are so many intriguing features. The internal and external processes that shaped the icy crust are explained by how they formed.

Jupiter was the focus of the investigation but it also included the planet's four largest moons.

The NASA will attempt to answer these questions about habitability in the early 2030s. The data from the flyby shows a preview of what the mission will reveal.

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It is possible that one of Jupiter's moons could be suitable for life. The icy crust will be probed by NASA.