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Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...
Orbiting in the far reaches of the solar system are pristine remnants from its beginning. These unique objects, called ...
A new study suggests the existence of Planet Y. This hidden planet may be affecting the Kuiper Belt. The gravity of Planet Y could be causing a tilt in the orbits of some icy objects. Researchers ...
The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the ...
Hundreds of millions of years ago, an asteroid caught by Earth's gravity might have fragmented, creating a temporary ring ...
Independent previous research has also proposed a similar Planet Y to explain the warp or other features in the TNO ...