WikiCards · Card list · Science cards · BL Lacertae object
Common card · Science
BL Lacertae object, a Common card
A BL Lacertae object or BL Lac object is a type of active galactic nucleus or a galaxy with such an AGN, named after its prototype, BL Lacertae.
- Rarity
- Common
- Domain
- Science
- ATK
- 53
- DEF
- 34
- Power
- 87
- Wikipedia reads a year
- 6,100
Ranked #2,902 of the 3,000 cards of the base set by power (ATK + DEF).
BL Lacertae object quiz: 3 questions
Three questions on the BL Lacertae object card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Because of these properties, the ______ of the class was originally thought to be a variable star.
Answer
prototype. Because of these properties, the prototype of the class was originally thought to be a variable star. From the BL Lacertae object article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Accumulator. Accumulator 59 · BL Lacertae object 53 · Martin Lake Power Plant 50 · Nokia X2-00 46 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Accumulator. Accumulator 14,000 · Nokia X2-00 8,500 · BL Lacertae object 6,100 · Martin Lake Power Plant 4,600 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.
- In contrast to other types of active galactic nuclei, BL Lacs are characterized by rapid and large-amplitude flux variability and significant optical polarization.
- Because of these properties, the prototype of the class was originally thought to be a variable star.
- When compared to the more luminous active nuclei with strong emission lines, BL Lac objects have spectra dominated by a relatively featureless non-thermal emission continuum over the entire electromagnetic range.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The BL Lacertae object article was read about 6,100 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 53 and blocks with 34: each hit it takes is cut by 14 %.
How to get BL Lacertae object
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 BL Lacertae object in the power ranking, all domains together.
- Porto CarrasCommon · Arts · ATK 47 DEF 40
- Mary DuncanCommon · Arts · ATK 53 DEF 34
- M. Riaz HamidullahCommon · History · ATK 55 DEF 32
- Nageia nagiCommon · Nature · ATK 45 DEF 42
- Pitt–Tierney duelCommon · History · ATK 47 DEF 40
- Christopher SheelsCommon · History · ATK 57 DEF 30
Card lists
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Credits
Text : Wikipedia, BL Lacertae object (revision), CC BY-SA 4.0. Photo : The Pan-STARRS1 Surveys (PS1) and the PS1 public science archive have been made possible t, Public domain, Wikimedia Commons.




