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Astronomers believe they may have uncovered the first tantalizing evidence of two exoplanets that have smashed into one another, according to new research.
Over short timescales, planets appear to be stagnant. Scientists have to find signs that they have undergone drastic changes that took place over millions or billions of years. They’re mainly affected by two scenarios: One where their parent star’s crippling radiation strips them of their atmospheres, and the other is having to weather the impact from crashing into other massive objects.
Scientists - Exoplanets - Rays - Collision - Group
Scientists have found many exoplanets being battered by stellar rays, but have yet to spot a collision. Now, a large international group of researchers reckon they’ve found one that bears the brunt of such an monumental accident.
The astroboffins report the Kepler 107c exoplanet is surprisingly dense. Most of its mass - about 70 per cent - is in its iron core, while the remaining fraction is locked up in its mantle as silicates. It’s more than twice as dense as Earth, but what’s more puzzling is that...
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