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Showing 1–7 of 7 results
Advanced filters: Author: Xavier Dumusque Clear advanced filters

  • The detection of an Earth-mass planet orbiting our neighbour star α Centauri B is reported; the planet has an orbital period of 3.236 days and is about 0.04 astronomical units from the star.

    • Xavier Dumusque
    • Francesco Pepe
    • Stéphane Udry
    Research
    Nature
    Volume: 491, P: 207-211

  • Observations of the super-massive Neptune-sized transiting planet TOI-1853 b show a mass almost twice that of any other Neptune-sized planet known so far and a bulk density implying that heavy elements dominate its mass.

    • Luca Naponiello
    • Luigi Mancini
    • Tiziano Zingales
    Research
    Nature
    Volume: 622, P: 255-260

  • Absorption lines of iron in the dayside atmosphere of an ultrahot giant exoplanet disappear after travelling across the nightside, showing that the iron has condensed during its travel.

    • David Ehrenreich
    • Christophe Lovis
    • Filippo Zerbi
    Research
    Nature
    Volume: 580, P: 597-601

  • Observations of TOI-849b reveal a radius smaller than Neptune’s but a large mass of about 40 Earth masses, indicating that the planet is the remnant core of a gas giant.

    • David J. Armstrong
    • Théo A. Lopez
    • Zhuchang Zhan
    Research
    Nature
    Volume: 583, P: 39-42

  • Data from the Kepler spacecraft and the HARPS-N ground-based spectrograph indicate that the extrasolar planet Kepler-78b has a mean density similar to that of Earth and imply that it is composed of rock and iron.

    • Francesco Pepe
    • Andrew Collier Cameron
    • Christopher A. Watson
    Research
    Nature
    Volume: 503, P: 377-380

  • Kepler-107 b and c have the same radius but, contrary to expectations, the outermost Kepler-107 c is much denser. This difference cannot be explained by photoevaporation by stellar high-energy particle flux and it suggests that Kepler-107 c experienced a giant impact event.

    • Aldo S. Bonomo
    • Li Zeng
    • Chris Watson
    Research
    Nature Astronomy
    Volume: 3, P: 416-423