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

Automated excerpt

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 by suggesting that such an event may have left behind detectable clues inside our star which could still be visible today. This idea of a measurable signature or 'fingerprints' in the present-day solar interior was explored by research published today in Monthly Notices of the Royal Astronomical Society.

Selected automatically from source text; not independently written or fact-checked. Read the original for full context.