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WikiCards · Card list · Science cards · Cassiopeia A
Uncommon card · Science
Cassiopeia A, an Uncommon card
Cassiopeia A is a supernova remnant in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies below 1 GHz.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 65
- DEF
- 61
- Power
- 126
- Wikipedia reads a year
- 28,000
Ranked #2,367 of the 3,000 cards of the base set by power (ATK + DEF).
Cassiopeia A quiz: 3 questions
Three questions on the Cassiopeia A card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It has been seen in wavelengths of ______ light with amateur telescopes down to 234 mm with filters.
Answer
visible. It has been seen in wavelengths of visible light with amateur telescopes down to 234 mm with filters. From the Cassiopeia A article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Baryon acoustic oscillations. Baryon acoustic oscillations 50,000 · Contraceptive implant 40,000 · Cassiopeia A 28,000 · Airborne transmission 22,000 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.
- The supernova occurred approximately 11,000 light-years away within the Milky Way, given the width of the Orion Arm, it lies in the next-nearest arm outwards, the Perseus Arm, about 30 degrees from the Galactic anticenter.
- The expanding cloud of material left over from the supernova now appears approximately 10 light-years across from Earth's perspective.
- It has been seen in wavelengths of visible light with amateur telescopes down to 234 mm with filters.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Cassiopeia A article was read about 28,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 65 and blocks with 61: each hit it takes is cut by 24 %.
How to get Cassiopeia A
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 Cassiopeia A in the power ranking, all domains together.
- Geodetic datumUncommon · Science · ATK 70 DEF 56
- Brompton BicycleUncommon · Society · ATK 69 DEF 57
- Brighton, MichiganUncommon · Society · ATK 66 DEF 60
- GametophyteUncommon · Nature · ATK 70 DEF 56
- Thai Buddha amuletUncommon · Society · ATK 68 DEF 58
- BaggageUncommon · Science · ATK 65 DEF 61
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, Cassiopeia A (revision), CC BY-SA 4.0. Photo : X-ray: NASA/CXC/SAO, IR: NASA/ESA/CSA/STScI, Image Processing: NASA/CXC/SAO/L. Frattare an, Public domain, Wikimedia Commons.
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