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WikiCards · Card list · Science cards · Astrophysical X-ray source
Common card · Science
Astrophysical X-ray source, a Common card
Astrophysical X-ray sources are astronomical objects with physical properties which result in the emission of X-rays.
- Rarity
- Common
- Domain
- Science
- ATK
- 82
- DEF
- 85
- Power
- 167
- Wikipedia reads a year
- 4,900
Ranked #1,555 of the 3,000 cards of the base set by power (ATK + DEF).
Astrophysical X-ray source quiz: 3 questions
Three questions on the Astrophysical X-ray source card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Several types of astrophysical ______ emit X-rays.
Answer
objects. Several types of astrophysical objects emit X-rays. From the Astrophysical X-ray source article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Honda Accord. Honda Accord 90 · Astrophysical X-ray source 82 · Quranic studies 79 · Piano Sonata No. 2 75 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Personality psychology. Personality psychology 61,000 · Quranic studies 15,000 · Plastisphere 11,000 · Astrophysical X-ray source 4,900 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.
- Several types of astrophysical objects emit X-rays.
- They include galaxy clusters, black holes in active galactic nuclei, galactic objects such as supernova remnants, stars, and binary stars containing a white dwarf, neutron star or black hole.
- Some Solar System bodies emit X-rays, the most notable being the Moon, although most of the X-ray brightness of the Moon arises from reflected solar X-rays.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Astrophysical X-ray source article was read about 4,900 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 82 and blocks with 85: each hit it takes is cut by 34 %.
How to get Astrophysical X-ray source
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 Astrophysical X-ray source in the power ranking, all domains together.
- Financial market impact of the COVID-19 pandemicCommon · History · ATK 82 DEF 85
- Arnaud TsamereCommon · Arts · ATK 76 DEF 91
- ACTIONCommon · Society · ATK 75 DEF 92
- Gareth OwenCommon · Arts · ATK 79 DEF 88
- Energetic neutral atomCommon · Science · ATK 75 DEF 92
- Mary Virginia McCormickCommon · Society · ATK 75 DEF 92
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, Astrophysical X-ray source (revision), CC BY-SA 4.0. Photo : F. Granato (ESA/Hubble), Public domain, Wikimedia Commons.
