Disks Around Stars and the Growth of Planetary Systems

Jane Sophia Greaves

doi:10.1126/science.1101979

Disks Around Stars and the Growth of Planetary Systems

Jane Sophia Greaves

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

Circumstellar disks play a vital evolutionary role, providing a way to move gas inward and onto a young star. The outward transfer of angular momentum allows the star to contract without breaking up, and the remnant disk of gas and particles is the reservoir for forming planets. High-resolution spectroscopy is uncovering planetary dynamics and motion within the remnant disk, and imaging at infrared to, millimeter wavelengths resolves disk structure over billions of years of evolution. Most stars are born with a disk, and models of planet formation need to form such bodies from the disk material within the disk's 10-million-year life-span.

Original language	English
Pages (from-to)	68-71
Number of pages	4
Journal	Science
Volume	307
Issue number	5706
DOIs	https://doi.org/10.1126/science.1101979
Publication status	Published - 7 Jan 2005

Keywords

T-TAURI STARS
MAIN-SEQUENCE STARS
GIANT PLANETS
ACCRETION DISKS
YOUNG STARS
MASSIVE STARS
SOLAR-SYSTEM
DEBRIS DISCS
KUIPER-BELT
DUST

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10.1126/science.1101979

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title = "Disks Around Stars and the Growth of Planetary Systems",

abstract = "Circumstellar disks play a vital evolutionary role, providing a way to move gas inward and onto a young star. The outward transfer of angular momentum allows the star to contract without breaking up, and the remnant disk of gas and particles is the reservoir for forming planets. High-resolution spectroscopy is uncovering planetary dynamics and motion within the remnant disk, and imaging at infrared to, millimeter wavelengths resolves disk structure over billions of years of evolution. Most stars are born with a disk, and models of planet formation need to form such bodies from the disk material within the disk's 10-million-year life-span.",

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AB - Circumstellar disks play a vital evolutionary role, providing a way to move gas inward and onto a young star. The outward transfer of angular momentum allows the star to contract without breaking up, and the remnant disk of gas and particles is the reservoir for forming planets. High-resolution spectroscopy is uncovering planetary dynamics and motion within the remnant disk, and imaging at infrared to, millimeter wavelengths resolves disk structure over billions of years of evolution. Most stars are born with a disk, and models of planet formation need to form such bodies from the disk material within the disk's 10-million-year life-span.

KW - T-TAURI STARS

KW - MAIN-SEQUENCE STARS

KW - GIANT PLANETS

KW - ACCRETION DISKS

KW - YOUNG STARS

KW - MASSIVE STARS

KW - SOLAR-SYSTEM

KW - DEBRIS DISCS

KW - KUIPER-BELT

KW - DUST

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U2 - 10.1126/science.1101979

DO - 10.1126/science.1101979

M3 - Article

SN - 0036-8075

VL - 307

SP - 68

EP - 71

JO - Science

JF - Science

IS - 5706

ER -

Disks Around Stars and the Growth of Planetary Systems

Abstract

Keywords

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