Eridanus can refer to:
Rivers
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Eridanos (mythology) (or Eridanus), a river in Greek mythology, somewhere in Central Europe, which was territory that Ancient Greeks knew only vaguely
*The
Po River
The Po ( , ; la, Padus or ; Ligurian language (ancient), Ancient Ligurian: or ) is the longest river in Italy. It flows eastward across northern Italy starting from the Cottian Alps. The river's length is either or , if the Maira (river), Mair ...
, according to Roman word usage
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Eridanos (Athens), a former river near Athens, now subterranean
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Eridanos (geology)
The name Eridanos, derived from the ancient Greek Eridanos, was given by geologists to a river that flowed where the Baltic Sea is now. Its river system was better known as the "Baltic River System".
The Eridanos began about 40 million years a ...
, a former large river that flowed between forty million and seven hundred thousand years ago from Lapland to the North Sea through where the Baltic Sea is now
Astronomy
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Eridanus (constellation), a southern constellation
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Eridanus Cluster of galaxies in the constellation Eridanus
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Eridanus II, a low-surface brightness dwarf galaxy in the constellation Eridanus
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List of stars in Eridanus
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Delta Eridani, a star
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Eta Eridani
Eta Eridani (η Eridani, abbreviated Eta Eri, η Eri), officially named Azha (with a silent 'h', possibly ), is a giant star in the constellation of Eridanus. Based on parallax measurements taken during the Hipparcos mission, it is appr ...
, a star
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Gamma Eridani, a star
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Eridanus Supervoid, a large-scale cosmic underdensity
Miscellaneous
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Éridan (rocket), a French rocket
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''Éridan''-class minehunter, a class of French naval minehunters
*''
Eridanosaurus
''Eridanosaurus'' is an extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, ...
'', a rhinocerotid originally described as a crocodilian
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USS ''Eridanus'' (AK-92), a ship of the United States Navy
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Eridan Ampora, a character from the webcomic ''
Homestuck''.
{{disambiguation, geo