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Showing 1–6 of 6 results
Advanced filters: Author: Shantanu P. Naidu Clear advanced filters

  • 2023 CX1 is the only L-chondrite-like asteroid analysed from space to ground. It catastrophically fragmented in the atmosphere, depositing 98% of its energy in one burst—an unusual, high-risk fragmentation mode with implications for planetary defence.

    • Auriane Egal
    • Denis Vida
    • Peter Jenniskens
    Research
    Nature Astronomy
    Volume: 9, P: 1624-1637

  • The 33 minute change in the orbital period of Dimorphos after the DART kinetic impact suggests that ejecta contributed a substantial amount of momentum to the asteroid compared with the DART spacecraft alone.

    • Cristina A. Thomas
    • Shantanu P. Naidu
    • Harrison F. Agrusa
    ResearchOpen Access
    Nature
    Volume: 616, P: 448-451

  • Double Asteroid Redirection Test (DART) mission impact on asteroid Dimophos resulted in an elliptical ejecta plume. Here, the authors show that this elliptical ejecta is due to the curvature of the asteroid and makes kinetic momentum transfer less efficient.

    • Masatoshi Hirabayashi
    • Sabina D. Raducan
    • Timothy J. Stubbs
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-16

  • The authors report on a determination of the momentum transferred to an asteroid by kinetic impact, showing that the DART kinetic impact was highly effective in deflecting the asteroid Dimorphos.

    • Andrew F. Cheng
    • Harrison F. Agrusa
    • Giovanni Zanotti
    ResearchOpen Access
    Nature
    Volume: 616, P: 457-460

  • The impact of the DART spacecraft on the asteroid Dimorphos is reported and reconstructed, demonstrating that kinetic impactor technology is a viable technique to potentially defend Earth from asteroids.

    • R. Terik Daly
    • Carolyn M. Ernst
    • Yun Zhang
    ResearchOpen Access
    Nature
    Volume: 616, P: 443-447

  • A modelling study of the bilobate nucleus of comet 67P/Churyumov–Gerasimenko reveals that it has spun much faster in the past, but that its chaotically changing spin rate has so far prevented it from splitting; eventually the two lobes will separate, but they will be unable to escape each other and will ultimately merge again—a situation that seems to be common among cometary nuclei.

    • Masatoshi Hirabayashi
    • Daniel J. Scheeres
    • Timothy Bowling
    Research
    Nature
    Volume: 534, P: 352-355