Barium isotopes and incomplete mixing in the solar nebula

Jacobsen, S. B.; Ranen, M. C.

doi:10.1016/j.gca.2006.06.580

Cited by 3 publications

(1 citation statement)

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“…However, the mechanism(s) responsible for their thermal processing has remained poorly understood for many decades. The presence of presolar grains in meteorite samples (Anders & Zinner 1993;Nittler 2003), geochemical evidence for a poorly mixed nebula (Clayton 2005;Jacobsen & Ranen 2006), and direct evidence from astronomical observations all point to a generally cold protoplanetary disk environment, with insufficient temperatures to melt precursors at the radial distances they sample (∼3au; e.g., Cassen 2001). Proposed mechanisms have included shock waves (Hood & Horanyi 1993;Connolly & Love 1998;Ciesla et al 2003;Boley et al 2013;Mann et al 2016), collisions between asteroids (Lichtenberg et al 2018) and processing close to the Sun followed by ejection to the outer solar system (e.g., via X-winds; Shu et al 1996).…”

Section: Chondrites: a Window Into The Formation Of The Solar Systemmentioning

confidence: 99%

Solar System Physics for Exoplanet Research

Horner

Kane

Marshall

et al. 2020

PASP

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Over the past three decades, we have witnessed one of the great revolutions in our understanding of the cosmos—the dawn of the Exoplanet Era. Where once we knew of just one planetary system (the solar system), we now know of thousands, with new systems being announced on a weekly basis. Of the thousands of planetary systems we have found to date, however, there is only one that we can study up-close and personal—the solar system. In this review, we describe our current understanding of the solar system for the exoplanetary science community—with a focus on the processes thought to have shaped the system we see today. In section one, we introduce the solar system as a single well studied example of the many planetary systems now observed. In section two, we describe the solar system's small body populations as we know them today—from the two hundred and five known planetary satellites to the various populations of small bodies that serve as a reminder of the system's formation and early evolution. In section three, we consider our current knowledge of the solar system's planets, as physical bodies. In section four we discuss the research that has been carried out into the solar system's formation and evolution, with a focus on the information gleaned as a result of detailed studies of the system's small body populations. In section five, we discuss our current knowledge of planetary systems beyond our own—both in terms of the planets they host, and in terms of the debris that we observe orbiting their host stars. As we learn ever more about the diversity and ubiquity of other planetary systems, our solar system will remain the key touchstone that facilitates our understanding and modeling of those newly found systems, and we finish section five with a discussion of the future surveys that will further expand that knowledge.

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Section: Chondrites: a Window Into The Formation Of The Solar Systemmentioning

confidence: 99%

Solar System Physics for Exoplanet Research

Horner

Kane

Marshall

et al. 2020

PASP

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The environment and physics of the early solar system

Salmerón

2012

Australian Journal of Earth Sciences

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IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report)

Holden

Coplen

Böhlke

et al. 2018

Pure and Applied Chemistry

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The IUPAC (International Union of Pure and Applied Chemistry) Periodic Table of the Elements and Isotopes (IPTEI) was created to familiarize students, teachers, and non-professionals with the existence and importance of isotopes of the chemical elements. The IPTEI is modeled on the familiar Periodic Table of the Chemical Elements. The IPTEI is intended to hang on the walls of chemistry laboratories and classrooms. Each cell of the IPTEI provides the chemical name, symbol, atomic number, and standard atomic weight of an element. Color-coded pie charts in each element cell display the stable isotopes and the relatively long-lived radioactive isotopes having characteristic terrestrial isotopic compositions that determine the standard atomic weight of each element. The background color scheme of cells categorizes the 118 elements into four groups: (1) white indicates the element has no standard atomic weight, (2) blue indicates the element has only one isotope that is used to determine its standard atomic weight, which is given as a single value with an uncertainty, (3) yellow indicates the element has two or more isotopes that are used to determine its standard atomic weight, which is given as a single value with an uncertainty, and (4) pink indicates the element has a well-documented variation in its atomic weight, and the standard atomic weight is expressed as an interval. An element-by-element review accompanies the IPTEI and includes a chart of all known stable and radioactive isotopes for each element. Practical applications of isotopic measurements and technologies are included for the following fields: forensic science, geochronology, Earth-system sciences, environmental science, and human health sciences, including medical diagnosis and treatment.

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Barium isotopes and incomplete mixing in the solar nebula

Cited by 3 publications

References 1 publication

Solar System Physics for Exoplanet Research

Solar System Physics for Exoplanet Research

The environment and physics of the early solar system

IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report)

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