Solar System
A new study reveals that Mars, despite its small size, significantly influences Earth's orbital patterns that drive ice ages. Researchers simulated varying Mars's mass and found it affects key climate cycles. This discovery highlights the role of smaller planets in planetary climates.
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A fresh look at data from NASA's Cassini mission indicates that Saturn's largest moon, Titan, likely lacks a vast subsurface ocean and instead features a slushy interior with isolated pockets of liquid water. This finding challenges earlier assumptions and could reshape the search for life on icy worlds. Researchers published their results on December 17 in the journal Nature.
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.
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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.