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 type of galaxy is the Milky Way?

Elliptical

Spiral

Irregular

2 / 40

What is a galaxy merger?

The collision and combination of two or more galaxies

The splitting of a single galaxy

The formation of new stars within a galaxy

3 / 40

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

Stellar evolution

Galactic rotation

Stellar kinematics

4 / 40

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

Luminosity

Absolute magnitude

Apparent magnitude

5 / 40

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

Lenticular galaxies

Starburst galaxies

Elliptical galaxies

6 / 40

What is a quasar?

A type of star

A type of spiral galaxy

An extremely luminous active galactic nucleus

7 / 40

What is at the center of the Milky Way?

A giant star

A large nebula

A supermassive black hole

8 / 40

What is dark matter?

Visible matter in space

A type of black hole

Matter that does not emit light or energy

9 / 40

What is an irregular galaxy?

A galaxy with a spiral structure

A galaxy with an elliptical structure

A galaxy with no defined shape

10 / 40

What is the Milky Way?

A type of star

A neighboring galaxy

Our galaxy

11 / 40

What is the closest large galaxy to the Milky Way?

Andromeda Galaxy

Large Magellanic Cloud

Triangulum Galaxy

12 / 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

13 / 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

14 / 40

What is the rotation curve of a galaxy?

The plot of rotational velocity versus distance from the center

The orbital path of stars within a galaxy

The shape of a galaxy

15 / 40

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

Apparent magnitude

Luminosity

Stellar magnitude

16 / 40

What is a galactic halo?

A spherical region surrounding the galactic disk

The spiral arms of the galaxy

The core of the galaxy

17 / 40

What are spiral arms?

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

The central part of the galaxy

The halo of the galaxy

18 / 40

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

Galactic disk

Galactic nucleus

Galactic halo

19 / 40

What is the Virgo Cluster?

A large cluster of galaxies near the Milky Way

A group of nebulae

A cluster of stars in the Milky Way

20 / 40

What are the primary components of a galaxy?

Stars, gas, and dark matter

Only planets

Only stars

21 / 40

What is the Tully-Fisher relation?

A method for classifying elliptical galaxies

A relationship between galaxy mass and star count

A correlation between the luminosity and rotation speed of spiral galaxies

22 / 40

What is an extragalactic object?

Any object outside the Milky Way

Any star within our galaxy

Any planet in our solar system

23 / 40

What is a globular cluster?

A spherical collection of stars

A large planet

A group of nebulae

24 / 40

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

Neutron star

Supernova remnant

White dwarf

25 / 40

What is a lenticular galaxy?

A galaxy with an irregular shape

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

A galaxy with a defined spiral structure

26 / 40

What is the cosmic distance ladder?

The process of galaxy formation

A series of techniques for determining the distances to celestial objects

The classification system for stars

27 / 40

What is a barred spiral galaxy?

A spiral galaxy with a central bar-shaped structure

A spiral galaxy without a central bar

An elliptical galaxy

28 / 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

29 / 40

What is the approximate diameter of the Milky Way?

10,000 light years

1,000,000 light years

100,000 light years

30 / 40

What is the Fermi Paradox?

The relation between galaxy mass and rotation speed

The classification of active galactic nuclei

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

31 / 40

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

Galactic bulge

Galactic disk

Galactic halo

32 / 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

33 / 40

What is a supercluster?

A cluster of stars

A large grouping of smaller galaxy clusters

A very large galaxy

34 / 40

What is an elliptical galaxy?

An irregular galaxy

A galaxy with spiral arms

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

35 / 40

What are the oldest components of the Milky Way?

Spiral arms

Globular clusters

Nebulae

36 / 40

What is a galactic bulge?

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

The outer region of a galaxy

A region of active star formation

37 / 40

What is galactic cannibalism?

The formation of a black hole

The process of a larger galaxy merging with a smaller one

The collision of stars in a galaxy

38 / 40

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

Magellanic Clouds

Triangulum

Andromeda

39 / 40

What are the main types of galaxies?

Large, medium, and small

Active, passive, and quiescent

Spiral, elliptical, and irregular

40 / 40

What is the Hubble classification scheme?

A system for classifying galaxies

A theory of star formation

A method for measuring star brightness

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