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Galaxy Classification

This quiz will test your knowledge about the classification of galaxies.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which astronomer is credited with developing the Hubble sequence, a classification system for galaxies?

  1. Edwin Hubble
  2. Albert Einstein
  3. Isaac Newton
  4. Galileo Galilei
Question 2 Multiple Choice (Single Answer)

What is the main criterion used to classify galaxies in the Hubble sequence?

  1. Size
  2. Shape
  3. Color
  4. Luminosity
Question 3 Multiple Choice (Single Answer)

Which type of galaxy is characterized by a bright central bulge and a surrounding disk?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Lenticular galaxy
Question 4 Multiple Choice (Single Answer)

What is the shape of an elliptical galaxy?

  1. Round
  2. Oval
  3. Irregular
  4. Spiral
Question 5 Multiple Choice (Single Answer)

Which type of galaxy has a prominent bar-shaped structure across its center?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Lenticular galaxy
Question 6 Multiple Choice (Single Answer)

What is the shape of a lenticular galaxy?

  1. Round
  2. Oval
  3. Irregular
  4. Spiral
Question 7 Multiple Choice (Single Answer)

Which type of galaxy has an irregular shape and no distinct features?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Irregular galaxy
Question 8 Multiple Choice (Single Answer)

What is the Hubble sequence's tuning fork diagram?

  1. A diagram that shows the evolutionary sequence of galaxies
  2. A diagram that shows the different types of galaxies
  3. A diagram that shows the distribution of galaxies in the universe
  4. A diagram that shows the relationship between galaxies and dark matter
Question 9 Multiple Choice (Single Answer)

Which type of galaxy is located at the top of the Hubble sequence's tuning fork diagram?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Lenticular galaxy
Question 10 Multiple Choice (Single Answer)

Which type of galaxy is located at the bottom of the Hubble sequence's tuning fork diagram?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Irregular galaxy
Question 11 Multiple Choice (Single Answer)

What is the difference between a spiral galaxy and a barred spiral galaxy?

  1. Spiral galaxies have a central bulge, while barred spiral galaxies do not.
  2. Spiral galaxies have a disk, while barred spiral galaxies do not.
  3. Spiral galaxies have a bar-shaped structure across their center, while barred spiral galaxies do not.
  4. Spiral galaxies are larger than barred spiral galaxies.
Question 12 Multiple Choice (Single Answer)

What is the difference between a lenticular galaxy and an elliptical galaxy?

  1. Lenticular galaxies have a central bulge, while elliptical galaxies do not.
  2. Lenticular galaxies have a disk, while elliptical galaxies do not.
  3. Lenticular galaxies have a bar-shaped structure across their center, while elliptical galaxies do not.
  4. Lenticular galaxies are larger than elliptical galaxies.
Question 13 Multiple Choice (Single Answer)

What is the difference between an irregular galaxy and a spiral galaxy?

  1. Irregular galaxies have a central bulge, while spiral galaxies do not.
  2. Irregular galaxies have a disk, while spiral galaxies do not.
  3. Irregular galaxies have a bar-shaped structure across their center, while spiral galaxies do not.
  4. Irregular galaxies have an irregular shape, while spiral galaxies have a regular shape.
Question 14 Multiple Choice (Single Answer)

What is the most common type of galaxy in the universe?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Irregular galaxy
Question 15 Multiple Choice (Single Answer)

What is the rarest type of galaxy in the universe?

  1. Elliptical galaxy
  2. Spiral galaxy
  3. Barred spiral galaxy
  4. Irregular galaxy
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