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WikiCards · Card list · Science cards · Hydrus
Uncommon card · Science
Hydrus, an Uncommon card
Hydrus is a small constellation in the deep southern sky. It was one of twelve constellations created by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman and it first appeared on a 35-cm diameter celestial globe published in late 1597 in Amsterdam by Plancius and Jodocus…
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 69
- DEF
- 61
- Power
- 130
- Wikipedia reads a year
- 15,000
Power 130 (ATK + DEF): stronger than 65 % of WikiCards cards.
Hydrus quiz: 3 questions
Three questions on the Hydrus card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The first depiction of this constellation in a ______ atlas was in Johann Bayer's Uranometria of 1603.
Answer
celestial. The first depiction of this constellation in a celestial atlas was in Johann Bayer's Uranometria of 1603. From the Hydrus article on Wikipedia.
In which decade?
The French explorer and astronomer Nicolas Louis de Lacaille charted the brighter stars and gave their Bayer designations in ____.
Answer
1750s. The French explorer and astronomer Nicolas Louis de Lacaille charted the brighter stars and gave their Bayer designations in 1756. From the Hydrus article on Wikipedia.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The first depiction of this constellation in a celestial atlas was in Johann Bayer's Uranometria of 1603.
- The French explorer and astronomer Nicolas Louis de Lacaille charted the brighter stars and gave their Bayer designations in 1756.
- Its name means "male water snake", as opposed to Hydra, a much larger constellation that represents a female water snake.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hydrus article was read about 15,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 69 and blocks with 61: each hit it takes is cut by 24 %.
How to get Hydrus
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Hydrus in the power ranking, all domains together.
- Washington BridgeUncommon · Arts · ATK 67 DEF 63
- Berlin State LibraryCommon · Arts · ATK 68 DEF 62
- Endicott PeabodyCommon · History · ATK 71 DEF 59
- India and the Non-Aligned MovementUncommon · History · ATK 66 DEF 64
- MilasUncommon · Society · ATK 69 DEF 61
- UCLA Anderson School of ManagementCommon · Society · ATK 64 DEF 66
Card lists
- Wikipedia quizNew questions every day
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Credits
Text : Wikipedia, Hydrus (revision), CC BY-SA 4.0. Photo : IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg), CC BY 3.0, Wikimedia Commons.
