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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?
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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 ...
A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...
About 620 light-years from Earth, a gigantic rogue proto-planet is currently devouring 6.6 billion tons of dust and gas per ...
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Einstein's relativity could rewrite a major rule about what types of planets are habitable
Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...
The widespread death of coral reefs is the first in a series of catastrophic and potentially irreversible tipping points the ...
ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings ...
The growth spurt hints that the free-floating object evolves like a star, providing clues about rogue planets’ mysterious origins.
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