In a groundbreaking discovery, NASA’s Pleiades supercomputer has revealed an unexpected spiral structure within the inner Oort cloud, challenging long-held beliefs about our solar system’s outer ...

More information: David Nesvorny et al, A Spiral Structure in the Inner Oort Cloud, arXiv (2025). DOI: ...

The Solar System continues to surprise us day after day and its presence in terms of dominance and expansion goes far beyond ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

The Oort cloud is traditionally thought of as ... "The disk, when viewed from a distance, would appear as a spiral structure with two twisted arms," the authors wrote. Those "arms" resemble ...

Groundbreaking research reveals the Oort Cloud's shape as a spiral structure, challenging traditional beliefs about its random collection. NASA's Pleiades supercomputer simulations suggest the ...

The simulations indicate that the inner region of the Oort Cloud forms the spiral structure, much like the spiral arms of the Milky Way. This spiral spans approximately 15,000 astronomical units ...

The Oort Cloud is the name given to a theorized group ... While it isn't shown, the sun lies in the plot's center. The spiral structure of the cloud is believed to have emerged as a consequence ...

However, using a new model, researchers have suggested that the inner structure of the Oort Cloud may look like a spiral disk. For the yet-to-be peer-reviewed study, scientists used NASA's ...

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a team of researchers from the Southwest Research Institute in Colorado say they've discovered a fascinating aspect about the Oort cloud's interior that can change how we view its overall shape: a ...

The Oort cloud is traditionally ... a fascinating aspect about the Oort cloud's interior that can change how we view its overall shape: a spiral structure that's similar to the spiral arms of ...