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Constellation Math Trivia Quiz

First, identify a pair of quantities about the constellations, then do the math to come up with the answer.

A multiple-choice quiz by Earthboy. Estimated time: 5 mins.

Author
Earthboy

Time
5 mins

Type
Multiple Choice

Quiz #
384,684

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
5 / 10

Plays
106

Question 1 of 10

1. Modern constellations MINUS constellations listed by Ptolemy = ? Hint

−8

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Question 2 of 10

2. Equatorial constellations TIMES circumpolar constellations = ? Hint

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Question 3 of 10

3. Constellations that the ecliptic crosses MINUS zodiacal constellations = ? Hint

−1

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Question 4 of 10

4. Constellations entirely in the northern hemisphere MINUS constellations entirely in the southern hemisphere = ? Hint

−17

−2

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Question 5 of 10

5. Two-word constellations DIVIDED by constellations having two separate parts = ? Hint

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Question 6 of 10

6. Constellations that begin with the letter C TIMES constellations that begin with the letter V = ? Hint

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Question 7 of 10

7. Constellations that symbolize animals PLUS constellations that symbolize humans/mythological figures = ? Hint

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Question 8 of 10

8. Constellations with no star less than magnitude 3.00 DIVIDED BY constellations with stars having a negative magnitude = ? Hint

∞

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Question 9 of 10

9. Heavenly Water constellations DIVIDED by constellations that Argo Navis split into = ? Hint

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Question 10 of 10

10. Constellations that don't have an alpha starth root of constellations that begin with A = ? Hint

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Quiz Answer Key and Fun Facts

1. Modern constellations MINUS constellations listed by Ptolemy = ?

Answer: 40

Today there are 88 modern constellations while Ptolemy listed 48 constellations in the second century, so the difference between 88 and 48 is 40.

2. Equatorial constellations TIMES circumpolar constellations = ?

Answer: 30

There are 15 equatorial constellations (those that cross the equator), including two separate parts of Serpens as one, and there are two circumpolar constellations, where the celestial poles are located in that appears to rotate around it -- the north pole is in Ursa Minor, while the south pole is in Octans. So 15 � 2 is 30.

3. Constellations that the ecliptic crosses MINUS zodiacal constellations = ?

Answer: 1

Although the ecliptic crosses every zodiacal constellations, not all constellations that the ecliptic crosses are zodiacal constellations. The only non-zodiacal constellation the ecliptic crosses through is Ophiuchus. So the difference between these quantities is one, which is one more than zero.

4. Constellations entirely in the northern hemisphere MINUS constellations entirely in the southern hemisphere = ?

Answer: −17

45 constellations lie entirely in the southern hemisphere, and just 28 lie entirely in the northern hemisphere. So 28−45 is −17.

5. Two-word constellations DIVIDED by constellations having two separate parts = ?

Answer: 11

There are eleven constellations whose name comprise of two words, and there is just one constellation (Serpens) that has two separate parts. So eleven divided by one equals eleven.

6. Constellations that begin with the letter C TIMES constellations that begin with the letter V = ?

Answer: 88

22 constellations begin with C, that is exactly a quarter of all modern constellations. There are four constellations that begin with V. So 22 times four equals 88, which the product is the same as the number of modern constellations.

7. Constellations that symbolize animals PLUS constellations that symbolize humans/mythological figures = ?

Answer: 59

There are 42 animal constellations and 17 human/mythological constellations, so the sum is 59.

8. Constellations with no star less than magnitude 3.00 DIVIDED BY constellations with stars having a negative magnitude = ?

Answer: 9

36 constellations don't have stars with magnitude less than (brighter than) 3.00, and there are four constellations with stars having negative magnitude, so 36/4=9.

9. Heavenly Water constellations DIVIDED by constellations that Argo Navis split into = ?

Answer: 3

Heavenly Waters comprises of nine constellations, such as Aquarius, Pisces and Eridanus. Argo Navis was the largest constellation in the sky before it was split into three smaller constellations -- Puppis, Carina and Vela. So 9/3 is 3.

10. {Constellations that don't have an alpha star}th root of constellations that begin with A = ?

Answer: 2

There are eight constellations that begin with A and there are three constellations that don't have an alpha star. So the third root of eight is two.

Source: Author Earthboy

This quiz was reviewed by FunTrivia editor rossian before going online.
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