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Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...
Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...
For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.
Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...
A possible dwarf planet, like Pluto, has been observed in our solar system, according to a preprint published in arXiv. The area of space where this planet was found was previously thought empty.
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Underknown on MSNWhat If We Discovered a New Planet in our Solar System?The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in ...
Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...
A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 OF201, ...
Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine, or Planet X, which will hopefully be renamed if its existence is ever 100 ...
In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...
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