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WikiCards · Card list · Science cards · Cataclysmic variable star
Common card · Science
Cataclysmic variable star, a Common card
In astronomy, cataclysmic variable stars are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state.
- Rarity
- Common
- Domain
- Science
- ATK
- 57
- DEF
- 23
- Power
- 80
- Wikipedia reads a year
- 13,000
Ranked #2,946 of the 3,000 cards of the base set by power (ATK + DEF).
Cataclysmic variable star quiz: 3 questions
Three questions on the Cataclysmic variable star card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Cataclysmic variable stars are binary stars that consist of two ______, a white-dwarf primary, and a mass-transferring secondary.
Answer
components. Cataclysmic variable stars are binary stars that consist of two components, a white-dwarf primary, and a mass-transferring secondary. From the Cataclysmic variable star article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Binding energy. Binding energy 60 · Cataclysmic variable star 57 · Hospitality management studies 54 · Uttar Pradesh Public Service Commission 51 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Uttar Pradesh Public Service Commission. Uttar Pradesh Public Service Commission 33,000 · Antineutron 22,000 · Cataclysmic variable star 13,000 · Spiral antenna 9,000 Wikipedia reads over a year.
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.
- They were initially called novae, since those with an outburst brightness visible to the naked eye and an invisible quiescent brightness appeared as new stars in the sky.
- Cataclysmic variable stars are binary stars that consist of two components, a white-dwarf primary, and a mass-transferring secondary.
- The stars are so close to each other that the gravity of the white dwarf distorts the secondary, and the white dwarf accretes matter from the companion.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Cataclysmic variable star article was read about 13,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 57 and blocks with 23: each hit it takes is cut by 9 %.
How to get Cataclysmic variable star
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 Cataclysmic variable star in the power ranking, all domains together.
- Bristol 404 and 405Uncommon · Society · ATK 51 DEF 29
- Marcus DunstanCommon · Arts · ATK 53 DEF 27
- SujeonggwaCommon · Society · ATK 48 DEF 32
- Kevin NewmanCommon · Society · ATK 55 DEF 25
- BlueschistCommon · Science · ATK 52 DEF 28
- 1992 Denver Broncos seasonCommon · Society · ATK 59 DEF 21
Card lists
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Credits
Text : Wikipedia, Cataclysmic variable star (revision), CC BY-SA 4.0. Photo : Philip D. Hall, CC BY-SA 4.0, Wikimedia Commons.
