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Quiz about Practical Astronomy
Quiz about Practical Astronomy

Practical Astronomy Trivia Quiz

Ever looked at the sky - with the naked eye - through a telescope? Maybe you know the answers to some of these then?

A multiple-choice quiz by markarian. Estimated time: 4 mins.
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Author
markarian
Time
4 mins
Type
Multiple Choice
Quiz #
106,766
Updated
Dec 03 21
# Qns
10
Difficulty
Tough
Avg Score
5 / 10
Plays
4399
Last 3 plays: Guest 116 (5/10), Guest 71 (2/10), Guest 64 (4/10).
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Question 1 of 10
1. What is the name of the only asteroid visible to the naked eye? Hint


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Question 2 of 10
2. The brightest star in the sky, Sirius, is also a binary star. True or False?


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Question 3 of 10
3. You can see some of the moons of Jupiter through ordinary binoculars. True or False?


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Question 4 of 10
4. When a meteor shower is named after a constellation (for example, the Geminids after Gemini), this means that all meteors seen will be contained within the bounds of that constellation.


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Question 5 of 10
5. What is the most active meteor shower that takes place in August every year? Hint


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Question 6 of 10
6. Which of the following is not a type of telescope? Hint


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Question 7 of 10
7. What magnification would a refractor telescope give if the main objective lens had a focal length of 1200mm and the eyepiece a focal length of 30mm? Hint


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Question 8 of 10
8. Which of the following is a type of eyepiece design? Hint


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Question 9 of 10
9. You cannot see the Aurora Borealis in the Southern hemisphere. True or False?


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Question 10 of 10
10. What type of telescope mount is generally the best for taking long exposure photographs of the sky? Hint



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Most Recent Scores
Nov 15 2024 : Guest 116: 5/10
Nov 04 2024 : Guest 71: 2/10
Nov 04 2024 : Guest 64: 4/10
Nov 03 2024 : Guest 74: 7/10
Oct 08 2024 : Guest 194: 5/10
Oct 05 2024 : Guest 112: 2/10
Sep 26 2024 : Guest 73: 5/10

Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. What is the name of the only asteroid visible to the naked eye?

Answer: Vesta

 Although it's not the largest (Ceres is) it's the only one that can be seen without a telescope - but only just, if you have a dark sky.
2. The brightest star in the sky, Sirius, is also a binary star. True or False?

Answer: True

Sirius B, sometimes called the Pup, is a white dwarf companion to Sirius (A). The two stars revolve around their common centre of gravity in approximately 50 years.
3. You can see some of the moons of Jupiter through ordinary binoculars. True or False?

Answer: True

The 4 largest and brightest satellites, Io, Europa, Ganymede and Callisto, can be seen through binoculars.
4. When a meteor shower is named after a constellation (for example, the Geminids after Gemini), this means that all meteors seen will be contained within the bounds of that constellation.

Answer: False

This means that that the radiant, the point from which all meteors appear to radiate, is within that constellation.
5. What is the most active meteor shower that takes place in August every year?

Answer: Perseids

 The Perseids are one of the best showers of the year. They peak between 12/13 August every year.
6. Which of the following is not a type of telescope?

Answer: Copernican

 Herschelian named after Sir William Herschel. Newtonian after Sir Isaac Newton. Gregorian after Professor James Gregory. Although an astronomer , no telescope was invented by, or named after Nicolaus Copernicus
7. What magnification would a refractor telescope give if the main objective lens had a focal length of 1200mm and the eyepiece a focal length of 30mm?

Answer: 40x

 To calculate the magnification of a telescope, divide the focal length of the objective lens (in a refractor) or main mirror (in a reflector) by the focal length of the eyepiece.

1200/30 = 40
8. Which of the following is a type of eyepiece design?

Answer: Monocentric

 A Monocentric eyepiece is usually composed of three glass elements, cemented together.
9. You cannot see the Aurora Borealis in the Southern hemisphere. True or False?

Answer: True

Borealis means Northern. In the Southern hemisphere you see Southern equivalent, the Aurora Australis.
10. What type of telescope mount is generally the best for taking long exposure photographs of the sky?

Answer: Equatorial

 An Equatorial mount is aligned with the Earth's axis of rotation and only has to be driven in one axis in order to track the movement of the stars as the Earth rotates.
Source: Author markarian

This quiz was reviewed by FunTrivia editor crisw before going online.
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Referenced Topics
General   Science   Astronomy   Names   True or False   General Astronomy   Moons   Astronomers   White   Jupiter   Isaac Newton  

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