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Showing 1–4 of 4 results
Advanced filters: Author: Andre Izidoro Clear advanced filters

  • The planetary architecture of the Solar System and its isotopic dichotomy can be reproduced using a protoplanetary disk model structured with rings and gaps, as commonly seen in protoplanetary disks around other stars.

    • Andre Izidoro
    • Rajdeep Dasgupta
    • Andrea Isella
    Research
    Nature Astronomy
    Volume: 6, P: 357-366

  • Giant planets on wide, eccentric orbits—like the putative Planet Nine—may form from dynamical planetary instabilities when stars are embedded in their natal stellar clusters. Simulations suggest a 1–5% chance of such planets forming in exoplanetary systems and up to 40% in the Solar System.

    • André Izidoro
    • Sean N. Raymond
    • Andrea Isella
    Research
    Nature Astronomy
    Volume: 9, P: 982-994

  • The resonant chain of the TRAPPIST-1 planets is dynamically fragile, as small perturbations during its lifetime would have disrupted it. N-body simulations show that the system could not have interacted with more than 0.05 Earth masses of material after its formation. Thus, any water in the planets must come from the planets’ original accretion.

    • Sean N. Raymond
    • Andre Izidoro
    • Simon L. Grimm
    Research
    Nature Astronomy
    Volume: 6, P: 80-88