Reference Entry

circumstellar matter

Edited by Ian Ridpath

in A Dictionary of Astronomy

Third edition

Published online February 2018 | e-ISBN: 9780191851193

More Like This

Show all results sharing this subject:

  • Astronomy and Astrophysics


Show Summary Details


A general term for material, usually gas and dust, surrounding a star. After a star’s birth, the surrounding cloud absorbs the visible light, re-emitting it as infrared radiation. Most young stars go through a violent phase, ejecting material at speeds of hundreds of kilometres per second. When this ejected material collides with the surrounding gas, bipolar molecular outflows (...

Reference Entry.  153 words. 

Subjects: Astronomy and Astrophysics

Full text: subscription required

How to subscribe Recommend to my Librarian

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.