Hydra (constellation) facts for kids
|Symbolism||the sea serpent|
|Area||1303 sq. deg. (1st)|
|Stars with planets||16|
|Stars brighter than 3.00m||2|
|Stars within 10.00 pc (32.62 ly)||4|
|Brightest star||Alphard (α Hya) (1.98m)|
|Nearest star||LHS 3003
(20.67 ly, 6.34 pc)
|Visible at latitudes between +54° and −83°.
Best visible at 21:00 (9 p.m.) during the month of April.
Hydra is a constellation that has parts in the northern sky and parts in the southern sky. It is the biggest constellation. It represents a water snake. The astronomer named Ptolemy listed Hydra when he made a list of 48 constellations. It is also one of the 88 modern constellations that were made by the International Astronomical Union.
Even though Hydra is a very big constellation, it only has one bright star. This star is named Alphard. Alphard means "the solitary one" in Arabic.
Images for kids
Ancient globular cluster NGC 6535.
Hydra (constellation) Facts for Kids. Kiddle Encyclopedia.