Results 121 to 130 of about 1,894,855 (142)

The origin of inner Solar System water. [PDF]

Philos Trans A Math Phys Eng Sci, 2017
Alexander CMO.
europepmc   +1 more source

The Ni isotopic composition of Ryugu reveals a common accretion region for carbonaceous chondrites. [PDF]

Sci Adv
Spitzer F, Kleine T, Burkhardt C, Hopp T, Yokoyama T, Abe Y, Aléon J, O'D Alexander CM, Amari S, Amelin Y, Bajo KI, Bizzarro M, Bouvier A, Carlson RW, Chaussidon M, Choi BG, Dauphas N, Davis AM, Di Rocco T, Fujiya W, Fukai R, Gautam I, Haba MK, Hibiya Y, Hidaka H, Homma H, Hoppe P, Huss GR, Ichida K, Iizuka T, Ireland TR, Ishikawa A, Itoh S, Kawasaki N, Kita NT, Kitajima K, Komatani S, Krot AN, Liu MC, Masuda Y, Morita M, Moynier F, Motomura K, Nakai I, Nagashima K, Nguyen A, Nittler L, Onose M, Pack A, Park C, Piani L, Qin L, Russell SS, Sakamoto N, Schönbächler M, Tafla L, Tang H, Terada K, Terada Y, Usui T, Wada S, Wadhwa M, Walker RJ, Yamashita K, Yin QZ, Yoneda S, Young ED, Yui H, Zhang AC, Nakamura T, Naraoka H, Noguchi T, Okazaki R, Sakamoto K, Yabuta H, Abe M, Miyazaki A, Nakato A, Nishimura M, Okada T, Yada T, Yogata K, Nakazawa S, Saiki T, Tanaka S, Terui F, Tsuda Y, Watanabe SI, Yoshikawa M, Tachibana S, Yurimoto H.   +90 more
europepmc   +1 more source

Stability in the Most External Region of the Oort Cloud: Evolution of the Ejected Comets

Monthly Notices of the Royal Astronomical Society, 2019
In this paper, we present a study of the dynamical effects of the Galaxy on the external region of the Oort Cloud. Theaimsofthispaperare: (i) to determine an outer limit for the Oort Cloud; and (ii) to analyse the dynamical behaviour of the most external
M F Calandra
exaly   +2 more sources

The Scattered Disk Population as a Source of Oort Cloud Comets: Evaluation of Its Current and Past Role in Populating the Oort Cloud [PDF]

Icarus, 2004
We have integrated the orbits of the 76 scattered disk objects (SDOs), discovered through the end of 2002, plus 399 clones for 5 Gyr to study their dynamical evolution and the probability of falling in one of the following end states: reaching Jupiter's ...
Tabaré Gallardo, Adrian Brunini
exaly   +2 more sources

The “Memory” of the Oort Cloud

Astronomy and Astrophysics, 2018
Aims. Our aim in this paper is to try to discover if we can find any record of the Oort cloud formation process in the orbital distribution of currently observable long-periodic comets. Methods.
Marc Fouchard, Takashi Ito, Arika Higuchi   +2 more
exaly   +2 more sources

Oort Cloud Formation at Various Galactic Distances

Astronomy and Astrophysics, 2010
In this study we present the results from numerical simulations of the formation of the Oort comet cloud where we positioned the Sun in various parts of the disc of the Galaxy, starting at 2 kpc up to 20 kpc from the Galactic centre. All simulations were
Ramon Brasser, Arika Higuchi, N Kaib
exaly   +2 more sources

Capture of the Sun's Oort Cloud From Stars in Its Birth Cluster

Science, 2010
Out of the Oort Cloud Long-period comets originate from the Oort cloud, a vast reservoir of icy bodies that surrounds the solar system. These bodies are thought to be remnants from the formation of the solar system.
Harold F. Levison, Ramon Brasser, Martin J Duncan   +2 more
exaly   +2 more sources

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Interstellar Objects Outnumber Solar System Objects in the Oort Cloud

Monthly Notices of the Royal Astronomical Society: Letters, 2021
Amir Siraj, Abraham Loeb
exaly  

Oort Cloud Ecology - II. The Chronology of the Formation of the Oort Cloud

Astronomy and Astrophysics, 2021
Simon Portegies Zwart, Maxwell Cai, Santiago Torres   +2 more
exaly  

Oort Cloud Ecology - I. Extra-Solar Oort Clouds and the Origin of Asteroidal Interlopers

Astronomy and Astrophysics, 2021
Simon Portegies Zwart
exaly