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Showing 1–8 of 8 results
Advanced filters: Author: M. Damasso Clear advanced filters

  • 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

  • The signatures of water, carbon monoxide, hydrogen cyanide, methane, ammonia and acetylene are observed in the transmission spectrum of the hot Jupiter HD 209458b, with abundance ratios suggesting a super-solar carbon-to-oxygen ratio.

    • Paolo Giacobbe
    • Matteo Brogi
    • Andrea Tozzi
    Research
    Nature
    Volume: 592, P: 205-208

  • The maturation of low-frequency radio astronomy instruments has further opened the magnetic environment of stars to investigation, yielding indications of star–planet interactions and coronal mass ejections in stellar systems other than our own.

    • J. R. Callingham
    • B. J. S. Pope
    • P. Zarka
    Reviews
    Nature Astronomy
    Volume: 8, P: 1359-1372

  • The 20-million-year-old, solar-type star V1298 Tau hosts a multiplanet system. The two outermost planets, gas giants with masses of 0.64 and 1.16 Jupiter masses, respectively, defy current formation models as their mass–radius relationship should be reached much later in the stages of planetary evolution.

    • A. Suárez Mascareño
    • M. Damasso
    • M. Mallonn
    Research
    Nature Astronomy
    Volume: 6, P: 232-240

  • Moving shadows have been seen on the circumbinary disk around V4046 Sgr, cast by eclipses of the central binary system. Using geometrical arguments, the degree of flaring of the disk and the distance to the system have been calculated.

    • V. D’Orazi
    • R. Gratton
    • A. Zurlo
    Research
    Nature Astronomy
    Volume: 3, P: 167-172

  • 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