Solar System
Hidden World Discovered at Solar System Edge
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Astronomers have uncovered a previously unknown object at the edge of the solar system, potentially a new dwarf planet or rogue world. The discovery, announced on September 6, 2025, expands our understanding of the Kuiper Belt. Further observations are planned to confirm its nature.
Astronomers watch new rings form around distant Chiron
For the first time, astronomers are observing a ring system forming in real time around the comet-like object Chiron. This distant body, orbiting between Saturn and Uranus, shows changing rings with each observation. The discovery could reveal how such systems develop in the outer solar system.