Hydrus

HYDRUS, EASTERN TUCANA, AND WESTERN RETICULUM
Hydrus, the Water Snake (as opposed to the ancient constellation Hydra, the Water Serpent), sprawls across the center of the picture. The bright star to upper right is Achernar in Eridanus.

Hydrus
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Hydrus is a small constellation in the southern hemisphere, ...

Hydrus
Abbreviation: Hyi
Genitive: Hydri
Translation: The Water Snake
Peoria Astronomical Society Hydrus Page
Interactive star chart (Java applet) ...

Hydrus, the water snake:
Created in 1603 by Johann Bayer. This constellation is supposed to by the male companion of the constellation of Hydra, the female sea serpent.

* α Hyi "Head of Hydrus" 2.86
Stars with Bayer designations
* β Hyi 2.82 - nearby; γ Hyi 3.26; δ Hyi 4.08; ε Hyi 4.12; Ζ Hyi 4.83; θ Hyi 5.51; η1 Hyi 6.77; η2 Hyi 4.68; ι Hyi 5.

Hydrus
Abbreviation: Hyi English name: Water Snake Coordinates see Stellar data
Particulars: ...

Hydrus was one of the 12 constellations introduced at the end of the 16th century by the Dutch navigators Pieter Dirkszoon Keyser and Frederick de Houtman and it first appeared on Petrus Plancius' globe of 1598.

Constellations adjoining Hydrus Dorado, Eridanus, Horologium, Mensa, Octans, Reticulum, Tucana.

Hydrus
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Hydrus (NASA SP-7, 1965) (abbr Hyi, Hydi)
See constellation. hydyne (NASA SP-7, 1965) A hydrazine-base liquid rocket fuel. Also called hidyne. hygral properties (NASA Thesaurus) The affinity of something for moisture.

Hydi International Astronomical Union abbreviations for Hydrus. See constellation Hydra (abbr Hya, Hyda) See constellation. hydrodynamics The study of fluid motion. See aerodynamics. Fluid here refers ambiguously to liquids and gases.

It lies in the southeastern corner (00:25:45.08-77:15:15.28, ICRS 2000.0) of Constellation Hydrus, the Serpent or Water Snake -- southeast of NGC 104 and southwest of Alpha Hydri.

Hydra(water serpent), Hydrus(lesser water snake), Indus(indian), Lacerta(lizard), Leo(lion), Leo Minor(lesser lion), Lepus(hare/rabbit), Libra(the scales), Lupus(wolf), lynx, Lyra(lyre), Mensa(the table mountain), ...

The star is 127 light years away, in the southern constellation of Hydrus. They say this is the "richest" system of exoplanets - planets outside our own Solar System - ever found.

Eridanus is a very long, winding river that starts at the left foot of Orion in the north, sweeps south of Taurus, west to the edge of Cetus, then doubles back east to Caelum, and eventually ends far to the south, at the border with Hydrus.

Gamma Hydra (aka Gamma Hydrae)
Epsilon Hydra (aka Epsilon Hydrae)
Hydrus (Hydri) Indus (Indi)
Epsilon Indi
Lacerta (Lacertae) Leo (Leonis) ...

to the naked eye: one is in the constellation Andromeda and two others (called the Large and Small Magellanic Clouds after the first European explorer to see them, Ferdinand Magellan) are in the southern sky in the constellations Mensa and Hydrus.

Family (5 constellations, including Orion, Canis Major, Canis Minor, Monoceros, and Lepus), the Heavenly Waters (9 constellations, including Delphinus, Columba, Equuleus, Vela, Puppis, etc.), the Bayer Group (11 constellations, including Hydrus, ...

Topic: Astronomy