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WikiCards · Card list · Science cards · Stellar black hole
Uncommon card · Science
Stellar black hole, an Uncommon card
A stellar black hole is a black hole formed by the gravitational collapse of a star.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 73
- DEF
- 62
- Power
- 135
- Wikipedia reads a year
- 57,000
Power 135 (ATK + DEF): stronger than 65 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- They have masses ranging from about five to several tens of solar masses.
- They can be the remnants of supernova explosions, but other formation mechanisms may operate.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Stellar black hole article was read about 57,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 73 and blocks with 62: each hit it takes is cut by 25 %.
How to get Stellar black hole
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 Stellar black hole in the power ranking, all domains together.
- RecreationUncommon · Science · ATK 68 DEF 67
- AcademyUncommon · Society · ATK 80 DEF 55
- Amateur boxingUncommon · Science · ATK 71 DEF 64
- Civil ensignUncommon · History · ATK 78 DEF 57
- CorfuUncommon · Society · ATK 69 DEF 66
- Berne ConventionUncommon · Arts · ATK 75 DEF 60
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, Stellar black hole (revision), CC BY-SA 4.0. Photo : ESO/L. Calçada/M.Kornmesser, CC BY 4.0, Wikimedia Commons.
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