Stars and Galaxies Quiz - Discover the Wonders of the Universe

Question 1 of 31

What is the closest star to Earth after the Sun?

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Proxima Centauri

Alpha Centauri

Sirius

Betelgeuse

Question 2 of 31

Which galaxy is closest to the Milky Way?

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Andromeda Galaxy

Triangulum Galaxy

Magellanic Clouds

Whirlpool Galaxy

Question 3 of 31

What type of galaxy is the Milky Way?

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Elliptical

Spiral

Irregular

Lenticular

Question 4 of 31

What is a supernova?

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A newly born star

A planet orbiting a star

An explosion of a dying star

A galaxy merging event

Question 5 of 31

Which of the following is the brightest star in the night sky?

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Sirius

Betelgeuse

Vega

Rigel

Question 6 of 31

What is the name of our galaxy?

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Andromeda

Milky Way

Sombrero

Pinwheel

Question 7 of 31

What are stars primarily made of?

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Iron and nickel

Oxygen and carbon

Hydrogen and helium

Nitrogen and carbon dioxide

Question 8 of 31

What is the largest type of star by volume?

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Red Dwarf

Neutron Star

Supergiant

White Dwarf

Question 9 of 31

Which galaxy is expected to collide with the Milky Way in the distant future?

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Triangulum Galaxy

Whirlpool Galaxy

Sombrero Galaxy

Andromeda Galaxy

Question 10 of 31

What is a black hole?

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A type of star

A region of space with no gravity

A region of space with extreme gravitational pull

A collapsed galaxy

Question 11 of 31

Which star is known as the North Star?

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Betelgeuse

Sirius

Polaris

Rigel

Question 12 of 31

What is the name of the process that powers stars?

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Fission

Fusion

Combustion

Convection

Question 13 of 31

What is the term for a system of two stars orbiting each other?

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Double star

Binary star

Tandem star

Twin star

Question 14 of 31

How many stars are estimated to be in the Milky Way galaxy?

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100-400 million

100-400 billion

1-10 trillion

1-10 million

Question 15 of 31

What type of galaxy is Andromeda?

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Elliptical

Spiral

Irregular

Lenticular

Question 16 of 31

What is the approximate age of the Universe?

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4.6 billion years

13.8 billion years

100 million years

500 billion years

Question 17 of 31

Which of these is the largest type of galaxy?

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Elliptical

Spiral

Irregular

Dwarf

Question 18 of 31

What is a nebula?

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A distant star

A planet-sized asteroid

A cloud of gas and dust

A black hole

Question 19 of 31

What is the name of the galaxy cluster that contains the Milky Way?

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Virgo Cluster

Hercules Cluster

Local Group

Coma Cluster

Question 20 of 31

What is the fate of stars with a mass less than 8 times that of the Sun?

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They become supernovas

They collapse into black holes

They become white dwarfs

They form neutron stars

Question 21 of 31

What type of galaxy is the Milky Way classified as?

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Spiral

Elliptical

Irregular

Dwarf

Question 22 of 31

What is the main sequence in the Hertzsprung-Russell diagram?

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A line of stars of varying colors

A line of stars with increasing brightness

A line of stars with increasing temperature

A line of star clusters

Question 23 of 31

What is the name of the boundary around a black hole beyond which no light can escape?

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Event Horizon

Singularity

Photon Sphere

Accretion Disk

Question 24 of 31

Which galaxy is the most massive in the Local Group?

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Andromeda Galaxy

Milky Way

Triangulum Galaxy

Messier 87

Question 25 of 31

What is the primary method used to detect exoplanets around distant stars?

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Direct imaging

Doppler shift

Gravitational lensing

Pulsar timing

Question 26 of 31

Which type of galaxy contains very few young stars and is often very dim?

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Elliptical Galaxy

Spiral Galaxy

Irregular Galaxy

Dwarf Galaxy

Question 27 of 31

What is the primary source of energy for a main-sequence star like the Sun?

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Gravitational collapse

Nuclear fusion

Chemical reactions

Tidal forces

Question 28 of 31

What phenomenon occurs when a star’s light is bent around a massive object?

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Gravitational lensing

Redshift

Blueshift

Tidal disruption

Question 29 of 31

What is the term for a star that has exploded and left behind a dense core?

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Neutron Star

White Dwarf

Black Hole

Red Giant

Question 30 of 31

Which galaxy is known for its bright, prominent spiral arms?

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Milky Way

Andromeda

Messier 87

Whirlpool Galaxy

Question 31 of 31

What is the key characteristic of an irregular galaxy?

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Defined shape and structure

Lack of regular structure

A central bulge

A high concentration of old stars

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