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WikiCards · Card list · Science cards · Dark nebula
Uncommon card · Science
Dark nebula, an Uncommon card
A dark nebula or absorption nebula is a type of interstellar cloud, particularly molecular clouds, that is so dense that it obscures the visible wavelengths of light from objects behind it, such as background stars and emission or reflection nebulae.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 47
- DEF
- 26
- Power
- 73
- Wikipedia reads a year
- 31,000
Power 73 (ATK + DEF): stronger than 30 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- The extinction of the light is caused by interstellar dust grains in the coldest, densest parts of molecular clouds.
- Clusters and large complexes of dark nebulae are associated with Giant Molecular Clouds.
- Isolated small dark nebulae are called Bok globules.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Dark nebula article was read about 31,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 47 and blocks with 26: each hit it takes is cut by 10 %.
How to get Dark nebula
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.
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Card lists
- All cards from A to ZEvery card, by name
- Nature cards600 cards
- Science cards600 cards
- History cards600 cards
- Arts cards600 cards
- Society cards600 cards
- Tier listS and A tiers by power (ATK + DEF)
- Legendary cards136 cards
- Epic cards262 cards
- Strongest cardsTop 100 by attack
Credits
Text : Wikipedia, Dark nebula (revision), CC BY-SA 4.0. Photo : ESO, CC BY 4.0, Wikimedia Commons.
