'Fingerprints' inside the Sun could reveal if it once swallowed a planet
An artist’s impression of a star engulfing a planet. The blue line traces the path of the planet as it spirals toward the star and ultimately collides with it.Credit: NASA, ESA, CSA, Ralf Crawford (STScI)Further informationThe paper 'Planetary engulfment as a solution to solar-model discrepancies and its implications for planetary systems' by M. Yildiz has been published in Monthly Notices of the Royal Astronomical Society.
- ▪An artist’s impression of a star engulfing a planet.
- ▪The blue line traces the path of the planet as it spirals toward the star and ultimately collides with it.Credit: NASA, ESA, CSA, Ralf Crawford (STScI)Further informationThe paper 'Planetary engulfment as a solution to solar-model discrepan
- ▪Yildiz has been published in Monthly Notices of the Royal Astronomical Society.
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| Original publisher | The Royal Astronomical Society |
| Canonical URL | https://ras.ac.uk/news-and-press/research-highlights/fingerprints-inside-sun-could-reveal-if-it-once-swallowed-planet |
| Publication time | Sun, 13 Sep 2026 12:01:52 +0000 |
| Retrieval time | 2026-09-13T12:36:49.860Z |
| Last seen | 2026-09-13T12:36:49.860Z |
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An artist’s impression of a star engulfing a planet. The blue line traces the path of the planet as it spirals toward the star and ultimately collides with it.CreditNASA, ESA, CSA, Ralf Crawford (STScI)Licence typeAttribution (CC BY 4.0) Facebook share LinkedIn WhatsAppdrupal-media[data-view-mode=half_page_width] { display: inline-block; width: 50%; } 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.Professor…
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