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

it produced a structure for the inner part of the cloud resembling the spiral disk of the Milky Way, with the arms of this inner Oort cloud reaching 15,000 AU from end to end. The researchers now ...

The Solar System continues to surprise us day after day and its presence in terms of dominance and expansion goes far beyond what we thought. And indeed, a long way from Neptune an ...

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 ...

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 ...

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 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 ...

But perhaps the oddest of all is the Oort Cloud, a vast field of icy debris extending ... Now, a new computational study has revealed a surprising structure – a spiral generated by the tidal forces ...

A new, yet-to-be peer-reviewed study suggests this cloud of debris may look like a mini galaxy with spiral arms. Researchers used a supercomputer to model the structure of the Oort cloud based on ...

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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 ...