Astronomy Terms Quiz

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A quiz on astronomical terms. Reasonably hard at times and 20 questions long. Also you only get a half minute per question.

Questions and Answers

1.

What is the process by which small particles coalesce to form planets or satellites?
- A.
  
  Oblate
- B.
  
  Conjunction
- C.
  
  Combination
- D.
  
  Accretion
- E.
  
  Declination
Correct Answer
D. Accretion
2.

What is the point 90 degrees from the horizon directly above an observer referred to?
- A.
  
  Nadir
- B.
  
  Parsec
- C.
  
  Syzygy
- D.
  
  Solstice
- E.
  
  Zenith
Correct Answer
E. Zenith
3.

The study of how the universe was formed is what?

Correct Answer
Cosmogony
4.

The study of the properties, processes, and evolution of the universe is what?

Correct Answer
Cosmology
5.

What is a pattern of stars that is not a constellation known as?
- A.
  
  Group
- B.
  
  Nebula
- C.
  
  Asterism
- D.
  
  Sidereal
- E.
  
  Umbra
Correct Answer
C. Asterism
6.

Most planets appear to spin eastward, like the earth. However some don't and that apparent westward rotation is known as -------- motion
- A.
  
  Synchronous
- B.
  
  Parallax
- C.
  
  Prominent
- D.
  
  Retrograde
- E.
  
  Backward
Correct Answer
D. Retrograde
7.

The angle of an object eastward from the vernal equinox along the celestial equator and is the equivalent of celestial longitude is what?
- A.
  
  Right ascension
- B.
  
  Left ascension
- C.
  
  Parallax
- D.
  
  Eclptic
- E.
  
  Declination
Correct Answer
A. Right ascension
8.

What is the full name of the H-R Diagram
- A.
  
  Heat-Radiation Diagram
- B.
  
  Hertzsprung-Russell Diagram
- C.
  
  Halley-Russell Diagram
- D.
  
  Hawking-Ryans Diagram
- E.
  
  Herschel-Roberts Diagram
Correct Answer
B. Hertzsprung-Russell Diagram
9.

What term gives the distance from the center of a collapsing star where not even light can escape from the gravitational pull? (two words)

Correct Answer
Schwarzschild radius

Explanation
Not event horizon, that is the spot which is described by the numerical value of the Schwarzschild radius.

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4
10.

True or False? Spring tides occur at the new moon and full moon most frequently.

Correct Answer
True
11.

What is the minimum required mass of a black hole? (in solar masses)

Correct Answer
4
4 Solar masses
4 SM
12.

What is the point in a black hole where space and time are infinitely distorted and the density is infinite (for all mathmatical purposes) known as?

Correct Answer
Singularity
Singularity point
Point of Singularity
Spacetime Singularity
Space-time Singularity
13.

What is the time it takes a the moon to complete one cycle of its phases as seen from earth known as? (not a number of days or "lunar")

Correct Answer
Synodic month
Synodic period
14.

Which is the word that has the least relation to the others?
- A.
  
  Solar
- B.
  
  Umbra
- C.
  
  Albedo
- D.
  
  Lunar
- E.
  
  Eclipse
Correct Answer
C. Albedo

Explanation
Since Umbra and Albedo have barely any relation it has to be one of them, and Umbra has a relationship to Eclipses as it is the darkest part of one, and of course Solar and Lunar are types of Eclipses.

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15.

What is the distance from a planet where the planet's gravity will literally tear a certain object apart is known as what?

Correct Answer
Roche Limit
Roche radius

Explanation
Not Roche lobe as that describes something else although similar.

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4
16.

IsWhich of Kepler's laws says that an imaginary line joining a planet to the sun sweeps out equal areas of an ellipse over equal intervals of time?
- A.
  
  1st
- B.
  
  2nd
- C.
  
  3rd
- D.
  
  4th
- E.
  
  5th
Correct Answer
B. 2nd
17.

Which of Kepler's laws says that each planet moves about the Sun in an orbit that is an ellipse with the Sun at one of the foci of said ellipse?
- A.
  
  1st
- B.
  
  2nd
- C.
  
  3rd
- D.
  
  4th
- E.
  
  5th
Correct Answer
A. 1st
18.

Which of Kepler's laws says that the square of the period of revolution of a planet is in direct proportion to the cube of the semimajor axis of its orbit?
- A.
  
  1st
- B.
  
  2nd
- C.
  
  3rd
- D.
  
  4th
- E.
  
  5th
Correct Answer
C. 3rd
19.

Name one of the 5 major layers of the sun

Correct Answer
Core
Convective zone
Photosphere
Chromosphere
Corona

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Current Version
Dec 13, 2012

Quiz Edited by
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Aug 16, 2008

Quiz Created by
Scipio

Astronomy Terms Quiz

What is the process by which small particles coalesce to form planets or satellites?

What is the point 90 degrees from the horizon directly above an observer referred to?

The study of how the universe was formed is what?

The study of the properties, processes, and evolution of the universe is what?

What is a pattern of stars that is not a constellation known as?

Most planets appear to spin eastward, like the earth. However some don't and that apparent westward rotation is known as -------- motion

The angle of an object eastward from the vernal equinox along the celestial equator and is the equivalent of celestial longitude is what?

What is the full name of the H-R Diagram

What term gives the distance from the center of a collapsing star where not even light can escape from the gravitational pull? (two words)

True or False? Spring tides occur at the new moon and full moon most frequently.

What is the minimum required mass of a black hole? (in solar masses)

What is the point in a black hole where space and time are infinitely distorted and the density is infinite (for all mathmatical purposes) known as?

What is the time it takes a the moon to complete one cycle of its phases as seen from earth known as? (not a number of days or "lunar")

Which is the word that has the least relation to the others?

What is the distance from a planet where the planet's gravity will literally tear a certain object apart is known as what?

IsWhich of Kepler's laws says that an imaginary line joining a planet to the sun sweeps out equal areas of an ellipse over equal intervals of time?

Which of Kepler's laws says that each planet moves about the Sun in an orbit that is an ellipse with the Sun at one of the foci of said ellipse?

Which of Kepler's laws says that the square of the period of revolution of a planet is in direct proportion to the cube of the semimajor axis of its orbit?

Name one of the 5 major layers of the sun