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Showing 1–6 of 6 results
Advanced filters: Author: Brian Grefenstette Clear advanced filters

  • The abundances of stable Ti and Cr relative to Fe observed in the Cassiopeia A core-collapse supernova remnant reveal that Ti and Cr must have formed in neutrino-driven plumes that helped to drive the explosion.

    • Toshiki Sato
    • Keiichi Maeda
    • John P. Hughes
    Research
    Nature
    Volume: 592, P: 537-540

  • Gamma-ray ‘glows’ are long duration high-energy emissions from thunderclouds. Here, the authors present observations of these emissions using the ADELE array of detectors and suggest that gamma ray emissions are related to relativistic runaway electron avalanches.

    • Nicole A. Kelley
    • David M. Smith
    • Hamid K. Rassoul
    Research
    Nature Communications
    Volume: 6, P: 1-7

  • Non-thermal, hard X-ray bremsstrahlung emission from auroral regions is detected at Jupiter by the NuSTAR instrument. Simultaneous in situ observations from the Juno spacecraft confirm the signatures of acceleration from non-thermal electrons and highlight the similarities with auroral processes on Earth.

    • Kaya Mori
    • Charles Hailey
    • Licia Ray
    Research
    Nature Astronomy
    Volume: 6, P: 442-448

  • Massive binary star Eta Carinae drives the strongest colliding wind shock in the solar neighbourhood. Using NuSTAR and XMM-Newton data, Eta Car has now been convincingly shown to accelerate non-thermal particles, contributing to the Galactic cosmic ray flux.

    • Kenji Hamaguchi
    • Michael F. Corcoran
    • Anthony F. J. Moffat
    Research
    Nature Astronomy
    Volume: 2, P: 731-736

  • A distinct hard-X-ray emission component is reported within the central four parsecs by eight parsecs of the Galaxy; this emission is more sharply peaked toward the Galactic Centre than is the surface brightness of the soft X-ray population, and all the interpretations of this emission pose significant challenges to our understanding of stellar evolution, binary formation and cosmic-ray production in the Galactic Centre.

    • Kerstin Perez
    • Charles J. Hailey
    • Andreas Zoglauer
    Research
    Nature
    Volume: 520, P: 646-649