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'Fingerprints' inside the sun could reveal if it once swallowed a planet

It is thought the sun may have engulfed a super-Earth-sized planet early in its history. Now, a new study has gone a step further, suggesting that such an event may have left behind detectable clues inside the sun that could still be visible today.

'Fingerprints' inside the sun could reveal if it once swallowed a planet

We haven't written up this one. Phys.org has the full story — the link below goes straight to it.

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Mercury is shrinking more than we thought

Mercury's surface is riddled with wrinkles, evidence of a once-larger planet that has shrunk over time. A new study finds that Mercury may have contracted 10% to 30% more than previously thought—a…

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