Nova, an Uncommon card

A nova is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star that slowly fades over weeks or months.
From the Wikipedia article

Rarity: Uncommon
Domain: Science
ATK: 70
DEF: 65
Power: 135
Wikipedia reads a year: 110,000

Power 135 (ATK + DEF): stronger than 75 % of WikiCards cards.

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The facts on the card

The card carries these facts from its Wikipedia article.

All observed novae involve white dwarfs in close binary systems, but causes of the dramatic appearance of a nova vary, depending on the circumstances of the two progenitor stars.
The main sub-classes of novae are classical novae, recurrent novae, and dwarf novae.
They are all considered to be cataclysmic variable stars.

Why it is Uncommon

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Nova article was read about 110,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 70 and blocks with 65: each hit it takes is cut by 26 %.

How to get Nova

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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Cards close in power

The cards just above and just below Nova in the power ranking, all domains together.

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Credits

Text : Wikipedia, Nova (revision), CC BY-SA 4.0. Photo : NASA/CXC/M.Weiss, Public domain, Wikimedia Commons.