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WikiCards · Card list · Science cards · RX J0822−4300
Common card · Science
RX J0822−4300, a Common card
RX J0822−4300, often referred to as a "Cosmic Cannonball", is a radio-quiet neutron star currently moving away from the center of the Puppis A supernova remnant at 672±115 km/s, making it one of the fastest-moving stars ever found.
- Rarity
- Common
- Domain
- Science
- ATK
- 43
- DEF
- 20
- Power
- 63
- Wikipedia reads a year
- 1,600
Power 63 (ATK + DEF): stronger than 10 % of WikiCards cards.
RX J0822−4300 quiz: 3 questions
Three questions on the RX J0822−4300 card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Earlier, it was ______ to move with speed as high as 1,500 km/s.
Answer
believed. Earlier, it was believed to move with speed as high as 1,500 km/s. From the RX J0822−4300 article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Li Li. Li Li 48 · RX J0822−4300 43 · Tysnesøya 40 · Sow and Pigs Reef 37 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.
- Earlier, it was believed to move with speed as high as 1,500 km/s.
- Astronomers used NASA's Chandra X-ray Observatory to observe the star over a period of 11 years to determine its speed.
- Although the cosmic cannonball is not the only hypervelocity star discovered, it is unique in the apparent origin of its speed.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The RX J0822−4300 article was read about 1,600 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 43 and blocks with 20: each hit it takes is cut by 8 %.
How to get RX J0822−4300
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 RX J0822−4300 in the power ranking, all domains together.
- Li LiCommon · Arts · ATK 48 DEF 15
- Max EberleCommon · Society · ATK 41 DEF 22
- Mikheil TsereteliCommon · History · ATK 49 DEF 14
- TysnesøyaCommon · Nature · ATK 40 DEF 23
- Ukraine in FlamesCommon · Arts · ATK 46 DEF 17
- Action of 9 January 1921Common · History · ATK 45 DEF 18
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, RX J0822−4300 (revision), CC BY-SA 4.0. Photo : NASA, Public domain, Wikimedia Commons.
