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WikiCards · Card list · Science cards · 2I/Borisov
Uncommon card · Science
2I/Borisov, an Uncommon card
2I/Borisov, originally designated C/2019 Q4, is the first observed rogue comet and the second observed interstellar interloper, after ʻOumuamua.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 80
- DEF
- 96
- Power
- 176
- Wikipedia reads a year
- 100,000
Ranked #1,177 of the 3,000 cards of the base set by power (ATK + DEF).
2I/Borisov quiz: 3 questions
Three questions on the 2I/Borisov card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
2I/Borisov has a ______ orbital eccentricity of 3.36 and is not bound to the Sun.
Answer
heliocentric. 2I/Borisov has a heliocentric orbital eccentricity of 3.36 and is not bound to the Sun. From the 2I/Borisov article on Wikipedia.
In which decade?
2I/Borisov, originally designated C/____ Q4, is the first observed rogue comet and the second observed interstellar interloper, after ʻOumuamua.
Answer
2010s. 2I/Borisov, originally designated C/2019 Q4, is the first observed rogue comet and the second observed interstellar interloper, after ʻOumuamua. From the 2I/Borisov article on Wikipedia.
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.
- It was discovered by the amateur astronomer and telescope maker Gennadiy Borisov on 29 August 2019 UTC in MARGO Observatory.
- 2I/Borisov has a heliocentric orbital eccentricity of 3.36 and is not bound to the Sun.
- The comet passed through the ecliptic of the Solar System at the end of October 2019, and made its closest approach to the Sun at just over 2 AU on 8 December 2019.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The 2I/Borisov article was read about 100,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 80 and blocks with 96: each hit it takes is cut by 38 %.
How to get 2I/Borisov
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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Card lists
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Credits
Text : Wikipedia, 2I/Borisov (revision), CC BY-SA 4.0. Photo : NASA, ESA, and D. Jewitt (UCLA), Public domain, Wikimedia Commons.
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