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Earth Science

D-Index
57
Citations
10893
World Ranking
2283
National Ranking
965

Overview

Takahiro Hiroi is a researcher affiliated with Brown University in the United States. Their work primarily focuses on fields within Physics and Astronomy as well as Earth and Planetary Sciences. Within these broader areas, their subfields include Astronomy and Astrophysics, Ecology, Geophysics, Atmospheric Science, and Mechanics of Materials.

Their research topics cover a diverse set of main themes, notably Astro and Planetary Science, Planetary Science and Exploration, Isotope Analysis in Ecology, Geological and Geochemical Analysis, Geology and Paleoclimatology Research, Laser-induced Spectroscopy and Plasma, and Paleontology and Stratigraphy of Fossils.

Hiroi has authored multiple recent papers, including:

  • Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples (2022, Science)
  • Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution (2020, Science)
  • Asteroid (101955) Bennu in the laboratory: Properties of the sample collected by OSIRIS-REx (2024, Meteoritics and Planetary Science)
  • Thermally altered subsurface material of asteroid (162173) Ryugu (2021, Nature Astronomy)
  • Collisional history of Ryugu's parent body from bright surface boulders (2020, Nature Astronomy)

Frequent collaborators in Hiroi's work include M. Matsuoka, Tomoki Nakamura, Eri Tatsumi, Takanao Saiki, and K. Kitazato. Collaboration with these coauthors indicates ongoing research partnerships and contributions to shared scientific investigations.

Hiroi publishes regularly in several key venues, with repeated contributions to:

  • Icarus
  • Astronomy and Astrophysics
  • Nature Communications
  • Science
  • Nature Astronomy

Best Publications

  • Chelyabinsk airburst, damage assessment, meteorite recovery, and characterization

    Olga P. Popova;Peter Jenniskens;Peter Jenniskens;Vacheslav Emel'yanenko;Anna Kartashova

  • Production of iron nanoparticles by laser irradiation in a simulation of lunar-like space weathering

    Sho Sasaki;Keiko Nakamura;Yoshimi Hamabe;Erika Kurahashi

  • The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes

    S. Sugita;S. Sugita;R. Honda;T. Morota;S. Kameda

  • The global distribution of pure anorthosite on the Moon

    Makiko Ohtake;Tsuneo Matsunaga;Junichi Haruyama;Yasuhiro Yokota

  • Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples

    Unknown

  • The surface composition of asteroid 162173 Ryugu from Hayabusa2 near-infrared spectroscopy

    K. Kitazato;R. E. Milliken;T. Iwata;T. Iwata;M. Abe;M. Abe

  • The Tagish Lake meteorite : A possible sample from a D-type asteroid

    Takahiro Hiroi;Michael E. Zolensky;Carle M. Pieters

  • Possible mantle origin of olivine around lunar impact basins detected by SELENE

    Satoru Yamamoto;Ryosuke Nakamura;Tsuneo Matsunaga;Yoshiko Ogawa

  • Radar-Enabled Recovery of the Sutter’s Mill Meteorite, a Carbonaceous Chondrite Regolith Breccia

    Peter Jenniskens;Peter Jenniskens;Marc D. Fries;Qing-Zhu Yin;Michael Zolensky

  • Thermal metamorphism of the C, G, B, and F asteroids seen from the 0.7 μm, 3 μm, and UV absorption strengths in comparison with carbonaceous chondrites

    Takahiro Hiroi;Michael E. Zolensky;Carlé M. Pieters;Michael E. Lipschutz

  • Simulation of space weathering of planet-forming materials: Nanosecond pulse laser irradiation and proton implantation on olivine and pyroxene samples

    Maho Yamada;Sho Sasaki;Hiroko Nagahara;Akira Fujiwara

  • Vesta, Vestoids, and the howardite, eucrite, diogenite group: Relationships and the origin of spectral differences

    T. H. Burbine;P. C. Buchanan;R. P. Binzel;S. J. Bus

  • Near-Infrared Spectral Results of Asteroid Itokawa from the Hayabusa Spacecraft

    M. Abe;Y. Takagi;K. Kitazato;K. Kitazato;S. Abe

  • Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution

    T. Morota;T. Morota;S. Sugita;S. Sugita;Y. Cho;M. Kanamaru

  • Evidence of thermal metamorphism on the C, g, B, and f asteroids.

    Takahiro Hiroi;Carlé M. Pieters;Michael E. Zolensky;Michael E. Lipschutz

  • Spectral reflectance properties of carbonaceous chondrites: 1. CI chondrites

    E.A. Cloutis;P. Hudon;T. Hiroi;M.J. Gaffey

  • Petrographic, chemical and spectroscopic evidence for thermal metamorphism in carbonaceous chondrites I: CI and CM chondrites

    Eric Tonui;Mike Zolensky;Takahiro Hiroi;Tomoki Nakamura

  • Massive layer of pure anorthosite on the Moon

    S. Yamamoto;R. Nakamura;T. Matsunaga;Y. Ogawa

  • Developing space weathering on the asteroid 25143 Itokawa

    Takahiro Hiroi;Masanao Abe;Kohei Kitazato;Kohei Kitazato;Shinsuke Abe

  • Discoveries on the lithology of lunar crater central peaks by SELENE Spectral Profiler

    Tsuneo Matsunaga;Makiko Ohtake;Junichi Haruyama;Yoshiko Ogawa

  • RELAB (Reflectance Experiment Laboratory): A NASA Multiuser Spectroscopy Facility

    C. M. Pieters;T. Hiroi

Frequent Co-Authors

Carle M. Pieters
Carle M. Pieters Brown University
Naru Hirata
Naru Hirata University of Aizu
Tomoki Nakamura
Tomoki Nakamura Tohoku University
Sho Sasaki
Sho Sasaki Osaka University
Tsuneo Matsunaga
Tsuneo Matsunaga National Institute for Environmental Studies
Tomokatsu Morota
Tomokatsu Morota University of Tokyo
Junichi Haruyama
Junichi Haruyama Japan Aerospace Exploration Agency
Michael E. Zolensky
Michael E. Zolensky National Aeronautics and Space Administration
Janice L. Bishop
Janice L. Bishop Search for Extraterrestrial Intelligence
Yoshiaki Ishihara
Yoshiaki Ishihara Japan Aerospace Exploration Agency

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