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Showing 1–8 of 8 results
Advanced filters: Author: Noemi Pinilla-Alonso Clear advanced filters

  • JWST/NIRSpec spectra are used to analyse the surfaces of Centaurs, revealing two main compositions: those with refractory materials and water ice and those rich in carbon-based materials. Strong surface weathering due to thermal processing may be responsible.

    • Javier Licandro
    • Noemí Pinilla-Alonso
    • Ian Wong
    Research
    Nature Astronomy
    Volume: 9, P: 245-251

  • It has been suggested that Earth's current supply of water was delivered by asteroids. The presence of water on the surface of some asteroids has been inferred from the comet-like activity of several small asteroids, including two members of the Themis dynamical family, but hitherto has not been measured. Here, infrared spectra of the asteroid 24 Themis are reported; the results show that ice and organic compounds are not only present, but also prevalent, on its surface.

    • Humberto Campins
    • Kelsey Hargrove
    • Julie Ziffer
    Research
    Nature
    Volume: 464, P: 1320-1321

  • The James Webb Space Telescope has detected water ice in the cold debris disk (analogous to the Kuiper belt) around the star HD 181327.

    • Chen Xie
    • Christine H. Chen
    • Jarron M. Leisenring
    Research
    Nature
    Volume: 641, P: 608-611

  • Due to the limited wavelength coverage of measurements to date, some aspects of the composition of Pluto’s largest moon, Charon, remain unresolved. Here, the authors detect carbon dioxide and hydrogen peroxide on the surface of Charon’s northern hemisphere using JWST data.

    • Silvia Protopapa
    • Ujjwal Raut
    • Heidi B. Hammel
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • The near-infrared spectrometer onboard JWST has detected CO2 and CO ices on 56 and 29 trans-Neptunian objects, respectively, indicating two dominant compositional types among them. These compositional differences suggest varied formation regions in the protoplanetary disk.

    • Mário N. De Prá
    • Elsa Hénault
    • Joshua P. Emery
    Research
    Nature Astronomy
    Volume: 9, P: 252-261

  • In the Spitzer Space Telescope’s 16 years of operation, it observed many Solar System objects and environments. In this first Review Article of a pair, Spitzer’s insights into comets, centaurs and Kuiper belt objects—all remnants of the Solar System’s formation—are summarized.

    • Carey Lisse
    • James Bauer
    • Charles Woodward
    Reviews
    Nature Astronomy
    Volume: 4, P: 930-939