'Fingerprints' inside the Sun could reveal if it once swallowed a planet
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Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#2> Their results favour a scenario in which the young Sun engulfed a super-Earth around 5–10 times the mass of Earth
Given the state of the early solar system, it would be surprising if the Sun didn't swallow a lot of metallic and carbonaceous rocks and pebbles. But it seems unclear to me how the researchers would distinguish between one super-Earth and >10^10 smaller rocks? Chemically I feel the two would be largely the same.
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#3> Their results favour a scenario in which the young Sun engulfed a super-Earth around 5–10 times the mass of Earth Given the state of the early solar system, it would be surprising if the Sun didn't swallow a lot of metallic and carbonaceous rocks and pebbles. But it seems unclear to me how the researchers would distinguish between one super-Earth and >10^10 smaller rocks? Chemically I feel the two would be largely…
That's easy, they'll check whether there's one big fingerprint vs >10^10 little tiny fingerprints and conclude accordingly \j
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#4That’s it Apollo! Spit it out, what’s in your mouth, spit it out now!
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#5> Their results favour a scenario in which the young Sun engulfed a super-Earth around 5–10 times the mass of Earth Given the state of the early solar system, it would be surprising if the Sun didn't swallow a lot of metallic and carbonaceous rocks and pebbles. But it seems unclear to me how the researchers would distinguish between one super-Earth and >10^10 smaller rocks? Chemically I feel the two would be largely…
> Researchers also found that such a world could survive its passage through the Sun's outer layers while losing very little mass, which suggests that planets may leave detectable fingerprints inside their host stars long after they have disappeared.
So I guess the large size would have permitted it to smuggle stuff into the core that would have just vaporised in the corona if carried by many smaller objects?
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#6Did stellar abundance fits in grad school, getting the Teff systematics out took months.
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#7When I saw the word 'Fingerprints', I thought it was a brilliant expression.
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#8I once ate a peanut too.
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#9> Their results favour a scenario in which the young Sun engulfed a super-Earth around 5–10 times the mass of Earth Given the state of the early solar system, it would be surprising if the Sun didn't swallow a lot of metallic and carbonaceous rocks and pebbles. But it seems unclear to me how the researchers would distinguish between one super-Earth and >10^10 smaller rocks? Chemically I feel the two would be largely…
This, but how do they rule out the extra stuff landing in the sun much earlier - when the solar system was still a pre-solar nebula, and which bits would end up where (sun vs. planets vs. whatever) was far from settled?
Re: 'Fingerprints' inside the Sun could reveal if it once swallowed a planet
#10> Their results favour a scenario in which the young Sun engulfed a super-Earth around 5–10 times the mass of Earth Given the state of the early solar system, it would be surprising if the Sun didn't swallow a lot of metallic and carbonaceous rocks and pebbles. But it seems unclear to me how the researchers would distinguish between one super-Earth and >10^10 smaller rocks? Chemically I feel the two would be largely…
That's easy, they'll check whether there's one big fingerprint vs >10^10 little tiny fingerprints and conclude accordingly \j
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