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'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...
A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...
NASA unveiled the result of the research that analyzed over 40 years worth of old satellite data to add more into the ninth ...
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Which planets are the youngest and oldest in our solar system?
There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?
A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...
The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...
Astronomers announced the discovery of a potential interstellar object passing through our solar system, provisionally named A11pl3Z. First detected by the Asteroid Terrestrial-impact Last Alert ...
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