Concept information
Preferred term
Proplyds
Definition
- A circumstellar disk of dense gas and dust surrounding a young newly formed star, a T Tauri star or Herbig star. In particular, an externally ionized protoplanetary disk seen in emission in the Orion Nebula. (en)
Broader concept
- Protoplanetary disks (en)
Entry terms
- Photo-evaporating protoplanetary disks (en)
Editorial note
URI
http://astrothesaurus.org/uat/1296
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