|
Search over 100 encyclopedias and dictionaries: |
Research categories | Follow us on Twitter |
Research categories
View all topics in the newsView all reference sources at Encyclopedia.com |
|||
Eridanus
Eridanus (abbr. Eri, gen. Eridani) An extensive constellation, the sixth-largest, representing a river running from the celestial equator deep into the southern sky. Its brightest star is Achernar (Alpha Eridani). Epsilon Eridani, magnitude 3.7, is a K2 dwarf only 10.5 l.y. away. Omicron-2 Eridani, also known as 40 Eridani, magnitude 4.4, is accompanied by a magnitude 9.5 white dwarf, the most easily seen white dwarf in the sky. Theta Eridani (Acamar) is an attractive double star, as is 32 Eridani, magnitudes 4.8 and 6.1.
|
|
|
Cite this article
"Eridanus." A Dictionary of Astronomy. 1997. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "Eridanus." A Dictionary of Astronomy. 1997. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O80-Eridanus.html "Eridanus." A Dictionary of Astronomy. 1997. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-Eridanus.html |
|
Eridanus
Eridanus , large southern constellation stretching SW from Orion for about 60°. Because of its long, winding shape it was identified with a river by many ancient civilizations; e.g., the Egyptians called it the Nile and the Babylonians called it the Euphrates. The brightest star in the constellation, Achernar , marks the southern end of the river. Eridanus reaches its highest point in the evening sky in December. |
|
|
Cite this article
"Eridanus." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "Eridanus." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1E1-Eridanus.html "Eridanus." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-Eridanus.html |
|
Eridanus
Eridanus
•pandanus
•badness, madness, sadness
•Magnus • aptness
•fatness, patness
•redness • wetness
•anus, Coriolanus, heinous, Janus, Punta Arenas, Silvanus
•genus, intravenous, Maecenas, Malvinas, Salinas, venous, Venus
•Cygnus • proteinous • ruinous
•libidinous
•multitudinous, platitudinous, pulchritudinous, vicissitudinous
•cartilaginous, farraginous, oleaginous
•fuliginous, indigenous, oxygenous, polygynous, rubiginous, vertiginous
•androgynous, autogenous, endogenous, erogenous, exogenous, homogenous, hydrogenous, misogynous
•ferruginous • ominous
•bituminous, leguminous, luminous, numinous, voluminous
•conterminous, coterminous, terminus, verminous
•larcenous • gelatinous • cretinous
•mountainous
•glutinous, mutinous
•resinous
•Aquinas, Delphinus, echinus, Linus, Longinus, minus, Plotinus, sinus, vinous
•oddness • wanness • hotness
•Faunus, rawness
•Kaunas
•bonus, Cronus, Jonas, lowness, onus, Tithonus
•oldness
•newness, twoness
•fulness
•alumnus, rumness
•oneness • Oceanus • Eridanus
•diaphanous • polyphonous
•cacophonous, homophonous
•porcellanous • villainous
•membranous • tyrannous
•synchronous • Uranus • tetanus
•monotonous • gluttonous
•cavernous, ravenous
•treasonous • poisonous • Avernus
|
|
|
Cite this article
"Eridanus." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "Eridanus." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-Eridanus.html "Eridanus." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-Eridanus.html |
|