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WikiCards · Card list · Science cards · Wolf–Rayet star
Uncommon card · Science
Wolf–Rayet star, an Uncommon card
Wolf–Rayet stars, often abbreviated as WR stars, are a rare heterogeneous set of stars with unusual spectra showing prominent broad emission lines of ionised helium and highly ionised nitrogen or carbon.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 85
- DEF
- 93
- Power
- 178
- Wikipedia reads a year
- 140,000
Ranked #1,002 of the 3,000 cards of the base set by power (ATK + DEF).
Wolf–Rayet star quiz: 3 questions
Three questions on the Wolf–Rayet star card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
They were previously called W-type stars referring to their ______ classification.
Answer
spectral. They were previously called W-type stars referring to their spectral classification. From the Wolf–Rayet star article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
2008 Democratic Party presidential primaries. 2008 Democratic Party presidential primaries 180,000 · Wolf–Rayet star 140,000 · Afrofuturism 110,000 · Capella 82,000 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.
- The spectra indicate very high surface enhancement of heavy elements, depletion of hydrogen, and strong stellar winds.
- The surface temperatures of known Wolf–Rayet stars range from 20,000 K to around 210,000 K, hotter than almost all other kinds of stars.
- They were previously called W-type stars referring to their spectral classification.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Wolf–Rayet star article was read about 140,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 85 and blocks with 93: each hit it takes is cut by 37 %.
How to get Wolf–Rayet 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 Wolf–Rayet star in the power ranking, all domains together.
- American minkUncommon · Nature · ATK 82 DEF 96
- Pipe organUncommon · Arts · ATK 83 DEF 95
- Cosmic rayUncommon · Science · ATK 86 DEF 92
- British LibraryUncommon · Society · ATK 83 DEF 95
- Gerhard RichterUncommon · Arts · ATK 83 DEF 95
- Sokoto CaliphateUncommon · History · ATK 82 DEF 96
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Wolf–Rayet star (revision), CC BY-SA 4.0. Photo : NASA, ESA, CSA, STScI, Webb ERO Production Team, Public domain, Wikimedia Commons.