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相关论文: A FIR-Survey of TNOs and Related Bodies

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Thousands of small bodies, known as trans-Neptunian objects (TNOs), orbit the Sun beyond Neptune. TNOs are remnants of the planets' formation from a disc of gas and dust, so it is puzzling that they move mostly on eccentric orbits inclined…

地球与行星天体物理 · 物理学 2025-07-10 Susanne Pfalzner , Frank W. Wagner , Paul Gibbon

The largest trans-Neptunian objects (TNOs) represent an extremely diverse collection of primitive bodies in the outer solar system. The community typically refers to these objects as dwarf planets, though the IAU acknowledges only four TNOs…

地球与行星天体物理 · 物理学 2019-05-30 Noemí Pinilla-Alonso , John Stansberry , Bryan Holler

The Taiwan-America Occultation Survey (TAOS) aims to determine the number of small icy bodies in the outer reach of the Solar System by means of stellar occultation. An array of 4 robotic small (D=0.5 m), wide-field (f/1.9) telescopes have…

Unlike the Solar System planets, thousands of smaller bodies beyond Neptune orbit the Sun on eccentric ($e >$ 0.1) and ($i>$ 3$^\circ$) orbits. While migration of the giant planets during the early stages of Solar System evolution can…

地球与行星天体物理 · 物理学 2024-09-06 Susanne Pfalzner , Amith Govind , Simon Portegies Zwart

The study of the surface properties of Centaurs and Trans-Neptunian Objects (TNOs) provides essential information about the early conditions and evolution of the outer Solar System. Due to the faintness of most of these distant and icy…

地球与行星天体物理 · 物理学 2009-12-15 D. Perna , M. A. Barucci , S. Fornasier , F. E. DeMeo , A. Alvarez-Candal , F. Merlin , E. Dotto , A. Doressoundiram , C. de Bergh

Trans-Neptunian objects (TNOs) contain the most primitive and thermally least-processed materials from the early accretional phase of the solar system. They allow us to study interrelations between various classes of small bodies, their…

天体物理学 · 物理学 2009-11-13 S. Bagnulo , I. Belskaya , K. Muinonen , G. P. Tozzi , M. A. Barucci , L. Kolokolova , S. Fornasier

Trans-Neptunian objects (TNOs) with diameter d>100 km moving now in not very eccentric orbits could be formed directly by the compression of large rarefied dust condensations (with semi-major axes a>30 AU), but not by the accretion of…

天体物理学 · 物理学 2010-12-01 S. I. Ipatov

Trans-Neptunian objects (TNOs) in the outer Solar System are predominantly small, icy worlds long presumed to be atmosphereless except for the largest bodies. Until now, Pluto has been unique among TNOs in exhibiting a substantial…

地球与行星天体物理 · 物理学 2026-05-05 Ko Arimatsu , Fumi Yoshida , Tsutomu Hayamizu , Satoshi Takita , Katsumasa Hosoi , Takafumi Ootsubo , Jun-ichi Watanabe

Transneptunian objects (TNOs) are bodies populating the Kuiper Belt and they are believed to retain the most pristine and least altered material of the solar system. The Herschel Open Time Key Program entitled "TNOs are Cool: A survey of…

Trans-Neptunian objects (TNOs) are small, icy bodies in the outer solar system. They are observed to have a complex orbital distribution that was shaped by the early dynamical history and migration of the giant planets. Comparisons between…

地球与行星天体物理 · 物理学 2024-05-09 Kathryn Volk , Renu Malhotra

To study the population properties of small, remote objects beyond Neptune's orbit in the outer solar system, of kilometer size or smaller, serendipitous occultation search is so far the only way. For hectometer-sized Trans-Neptunian…

地球与行星天体物理 · 物理学 2015-06-12 Hsiang-Kuang Chang , Chih-Yuan Liu , Kuan-Ting Chen

Both Centaurs and trans-Neptunian objects (TNOs) are minor bodies found in the outer Solar System. Centaurs are a transient population that moves between the orbits of Jupiter and Neptune, and they probably diffused out of the TNOs. TNOs…

Near-Earth Objects (NEOs) that orbit the Sun on or within Earth's orbit are tricky to detect for Earth-based observers due to their proximity to the Sun in the sky. These small bodies hold clues to the dynamical history of the inner solar…

The thermal emission of transneptunian objects (TNO) and Centaurs has been observed at mid- and far-infrared wavelengths - with the biggest contributions coming from the Spitzer and Herschel space observatories-, and the brightest ones also…

地球与行星天体物理 · 物理学 2020-01-22 Thomas Müller , Emmanuel Lellouch , Sonia Fornasier

Many of the transformative processes in the Universe have taken place in regions obscured by dust, and are best studied with far-IR spectroscopy. We present the Cryogenic-Aperture Large Infrared-Submillimeter Telescope Observatory…

Trans-Neptunian objects (TNO) represent the leftovers of the formation of the Solar System. Their physical properties provide constraints to the models of formation and evolution of the various dynamical classes of objects in the outer…

The outer solar system is populated by a broad aggregate of minor bodies, which occupy orbits whose dynamical character ranges from long-term stable to rapidly diffusive. We investigate the chaotic properties of known distant…

地球与行星天体物理 · 物理学 2025-04-23 Gabriele Pichierri , Konstantin Batygin
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