Concept information
Preferred term
tidal tail
Definition(s)
- A tidal tail is a thin, elongated region of stars and interstellar gas that extends into space from a galaxy. Tidal tails occur as a result of galactic tide forces between interacting galaxies. Examples of galaxies with tidal tails include the Tadpole Galaxy and the Mice Galaxies. Tidal forces can eject a significant amount of a galaxy's gas into the tail; within the Antennae Galaxies, for example, nearly half of the observed gaseous matter is found within the tail structures. Within those galaxies which have tidal tails, approximately 10% of the galaxy's stellar formation takes place in the tail. Overall, roughly 1% of all stellar formation in the known universe occurs within tidal tails. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Tidal_tail)
Broader concept(s)
In other languages
-
French
-
queue de marée
URI
http://data.loterre.fr/ark:/67375/MDL-RG0KKH3S-W
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