Neptune's Moons May Be Wreckage Of Ancient Worlds

Neptune's tiny moons may be the wreckage of an ancient cosmic catastrophe, according to researchers using the James Webb Space Telescope (JWST). The JWST detected clay-like minerals on Larissa, Galatea, and Neptune's rings, which form in the presence of liquid water.

The discovery was made by a team of researchers who used the JWST to study Neptune's rings and three of its inner moons, Larissa, Galatea, and Proteus. The findings suggest that the small moons re-formed from the exposed interior debris of larger ancient moons that were destroyed during Triton's violent capture. Triton, a captured Kuiper Belt object, makes up more than 99% of the mass of all satellites orbiting Neptune.

The study's findings were published in Science Advances and support the idea that Neptune once had a very different family of moons. The original satellite system may have been destroyed after Triton was captured by the planet's gravity, causing a major disruption in Neptune's early moon system. The researchers think that some of the debris from that violent event later gathered together to create the small inner moons that orbit Neptune today.

## What changed The discovery of clay-like minerals on Neptune's tiny moons has provided new insights into the planet's moon system. The minerals, which form in the presence of liquid water, were found on Larissa, Galatea, and Neptune's rings. The finding is significant because it suggests that the moons themselves do not have liquid water, but the minerals may have come from the interior of larger bodies.

## Why it matters The study's findings have significant implications for our understanding of the formation and evolution of the solar system. The discovery of clay-like minerals on Neptune's tiny moons suggests that the planet's moon system may have been shaped by a violent capture of Triton. The findings also support the idea that Neptune once had a very different family of moons, which were destroyed after Triton was captured. The study provides new insights into the formation and evolution of the solar system and highlights the importance of continued exploration and research.

The Voyager 2 spacecraft discovered six previously unknown moons around Neptune in 1989, but the small size and distant location of the moons made them difficult to investigate from Earth. The JWST has provided a much closer look at Neptune's rings and inner moons, revealing a chemical makeup unlike anything previously identified among bodies in the outer solar system.