Grade 8 Galaxies

What are the three main types of galaxies?

• Round galaxies, square galaxies, and triangular galaxies

• Blue galaxies, red galaxies, and green galaxies

• Star galaxies, planet galaxies, and moon galaxies

• Spiral galaxies, elliptical galaxies, and irregular galaxies

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

• Elliptical galaxies

• Barred spiral galaxies

• Spiral galaxies

• Irregular galaxies

What is the shape of a spiral galaxy?

• Spiral galaxies are sphere-shaped.

• Spiral galaxies are cube-shaped.

• Spiral galaxies are pyramid-shaped.

• Spiral galaxies are disk-shaped.

What type of galaxy has a spherical shape with no distinct structure?

• Elliptical galaxy

• Barred spiral galaxy

• Spiral galaxy

• Irregular galaxy

Which type of galaxy is known for its irregular shape?

• Irregular

• Spiral

• Elliptical

• Barred

What is the name of our galaxy?

• Pleiades

• Milky Way

• Orion

• Andromeda

What is the approximate number of galaxies in the observable universe?

• 2 trillion

• 100 billion

• 5 trillion

• 50 million

What is the name of the galaxy closest to the Milky Way?

• Orion Galaxy

• Andromeda Galaxy

• Pegasus Galaxy

• Centaurus Galaxy

What is the term used for a group of galaxies bound together by gravity?

• Star cluster

• Solar system

• Asteroid belt

• Galaxy cluster