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Overview page. Subjects: Biological Sciences.

A more or less permanently wet area of mineral soil (as opposed to a peaty area), typically found around the edges of a lake or on an undrained river flood-plain. Colloquially, ‘marsh’ is...

See overview in Oxford Index


Edited by Ian Ridpath.

in A Dictionary of Astronomy

P ublished online February 2018 .

Reference Entry. Subjects: Astronomy and Astrophysics; Astronomical Instrumentation, Methods, and Techniques; Galaxies. 56 words.

A mottled area on a planetary surface; pl. paludes. The name, which means ‘marsh’ or ’swamp’, was first used for features on the Moon in the seventeenth century. It is not a geological term...