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WikiCards · Card list · Science cards · Active optics
Common card · Science
Active optics, a Common card
Active optics is a technology used with reflecting telescopes developed in the 1980s, which actively shapes a telescope's mirrors to prevent deformation due to external influences such as wind, temperature, and mechanical stress.
- Rarity
- Common
- Domain
- Science
- ATK
- 54
- DEF
- 26
- Power
- 80
- Wikipedia reads a year
- 3,800
Power 80 (ATK + DEF): stronger than 25 % of WikiCards cards.
Active optics quiz: 3 questions
Three questions on the Active optics card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Active optics is not to be confused with adaptive optics, which operates at a ______ timescale and corrects atmospheric distortions.
Answer
shorter. Active optics is not to be confused with adaptive optics, which operates at a shorter timescale and corrects atmospheric distortions. From the Active optics article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Fernando Menis. Fernando Menis 58 · Active optics 54 · Marshall Major 49 · Wishcycling 46 ATK in WikiCards.
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.
- Without active optics, the construction of 8 metre class telescopes is not possible, nor would telescopes with segmented mirrors be feasible.
- This method is used by, among others, the Nordic Optical Telescope, the New Technology Telescope, the Telescopio Nazionale Galileo and the Keck telescopes, as well as all of the largest telescopes built since the mid-1990s.
- Active optics is not to be confused with adaptive optics, which operates at a shorter timescale and corrects atmospheric distortions.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Active optics article was read about 3,800 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 54 and blocks with 26: each hit it takes is cut by 10 %.
How to get Active optics
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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The cards just above and just below Active optics in the power ranking, all domains together.
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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, Active optics (revision), CC BY-SA 4.0. Photo : H. Raab ( User:Vesta ), CC BY-SA 3.0, Wikimedia Commons.
