Galactic Astronomy MCQs with Answers

Welcome to the Galactic Astronomy MCQs with Answers. In this post, we have shared Galactic Astronomy Online Test for different competitive exams. Find practice Galactic Astronomy Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Galactic Astronomy.

Galactic Astronomy Online Quiz

By presenting 3 options to choose from, Galactic Astronomy Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Galactic Astronomy Questions and Answers and click over the correct answer.

• Test Name: Galactic Astronomy MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Galactic Astronomy

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1 / 40

What is the Virgo Cluster?

A group of nebulae

A cluster of stars in the Milky Way

A large cluster of galaxies near the Milky Way

2 / 40

What is a supercluster?

A large grouping of smaller galaxy clusters

A cluster of stars

A very large galaxy

3 / 40

What are the oldest components of the Milky Way?

Spiral arms

Globular clusters

Nebulae

4 / 40

What is the term for the flat, rotating part of a spiral galaxy?

Galactic halo

Galactic bulge

Galactic disk

5 / 40

What is an extragalactic object?

Any star within our galaxy

Any object outside the Milky Way

Any planet in our solar system

6 / 40

What is dark matter?

A type of black hole

Matter that does not emit light or energy

Visible matter in space

7 / 40

What is a galactic halo?

The core of the galaxy

A spherical region surrounding the galactic disk

The spiral arms of the galaxy

8 / 40

What is the Local Group?

A cluster of star clusters

A group of galaxies that includes the Milky Way

A group of stars within the Milky Way

9 / 40

What is the cosmic distance ladder?

The classification system for stars

A series of techniques for determining the distances to celestial objects

The process of galaxy formation

10 / 40

What is the Fermi Paradox?

The classification of active galactic nuclei

The apparent contradiction between the lack of evidence for extraterrestrial civilizations and various high estimates for their probability

The relation between galaxy mass and rotation speed

11 / 40

What is at the center of the Milky Way?

A large nebula

A supermassive black hole

A giant star

12 / 40

What are the primary components of a galaxy?

Stars, gas, and dark matter

Only planets

Only stars

13 / 40

What is the approximate diameter of the Milky Way?

10,000 light years

100,000 light years

1,000,000 light years

14 / 40

What is the closest large galaxy to the Milky Way?

Triangulum Galaxy

Large Magellanic Cloud

Andromeda Galaxy

15 / 40

What is galactic cannibalism?

The collision of stars in a galaxy

The formation of a black hole

The process of a larger galaxy merging with a smaller one

16 / 40

What is the rotation curve of a galaxy?

The orbital path of stars within a galaxy

The plot of rotational velocity versus distance from the center

The shape of a galaxy

17 / 40

What is a lenticular galaxy?

A galaxy with a central bulge and disk but no spiral arms

A galaxy with an irregular shape

A galaxy with a defined spiral structure

18 / 40

What is an elliptical galaxy?

A type of galaxy with an ellipsoidal shape and little gas or dust

An irregular galaxy

A galaxy with spiral arms

19 / 40

What is a globular cluster?

A spherical collection of stars

A group of nebulae

A large planet

20 / 40

What are the main types of galaxies?

Spiral, elliptical, and irregular

Large, medium, and small

Active, passive, and quiescent

21 / 40

What is interstellar medium?

The dark matter in a galaxy

The central black hole of a galaxy

The matter that exists in the space between the stars in a galaxy

22 / 40

What is a galactic bulge?

The outer region of a galaxy

A densely packed group of stars at the center of a galaxy

A region of active star formation

23 / 40

What is the term for galaxies that are actively forming stars?

Starburst galaxies

Lenticular galaxies

Elliptical galaxies

24 / 40

What is a barred spiral galaxy?

A spiral galaxy without a central bar

An elliptical galaxy

A spiral galaxy with a central bar-shaped structure

25 / 40

What is the term for the remnants of a massive star that has exploded?

White dwarf

Supernova remnant

Neutron star

26 / 40

What is the term for the bright, dense center of a galaxy?

Galactic halo

Galactic disk

Galactic nucleus

27 / 40

What is an active galactic nucleus (AGN)?

A black hole

A cluster of young stars

A compact region at the center of a galaxy with much higher than normal luminosity

28 / 40

What is the Tully-Fisher relation?

A relationship between galaxy mass and star count

A method for classifying elliptical galaxies

A correlation between the luminosity and rotation speed of spiral galaxies

29 / 40

What is the Hubble classification scheme?

A system for classifying galaxies

A theory of star formation

A method for measuring star brightness

30 / 40

What are spiral arms?

The halo of the galaxy

The central part of the galaxy

Regions of active star formation extending from the center of spiral galaxies

31 / 40

What is the term for the movement of stars within a galaxy?

Stellar kinematics

Galactic rotation

Stellar evolution

32 / 40

What is the term for a galaxy's brightness as seen from Earth?

Luminosity

Absolute magnitude

Apparent magnitude

33 / 40

What is the term for the true brightness of a galaxy?

Apparent magnitude

Stellar magnitude

Luminosity

34 / 40

What is a Seyfert galaxy?

A type of elliptical galaxy

A type of spiral galaxy with an extremely bright nucleus

A type of irregular galaxy

35 / 40

What are the small satellite galaxies of the Milky Way called?

Andromeda

Triangulum

Magellanic Clouds

36 / 40

What is an irregular galaxy?

A galaxy with an elliptical structure

A galaxy with a spiral structure

A galaxy with no defined shape

37 / 40

What type of galaxy is the Milky Way?

Elliptical

Irregular

Spiral

38 / 40

What is the Milky Way?

A type of star

A neighboring galaxy

Our galaxy

39 / 40

What is a galaxy merger?

The collision and combination of two or more galaxies

The formation of new stars within a galaxy

The splitting of a single galaxy

40 / 40

What is a quasar?

An extremely luminous active galactic nucleus

A type of star

A type of spiral galaxy

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