Disks Around Stars and the Growth of Planetary Systems

Jane Sophia Greaves

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

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 languageEnglish
Pages (from-to)68-71
Number of pages4
JournalScience
Volume307
Issue number5706
DOIs
Publication statusPublished - 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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