Stars and Galaxies Quiz

What is the hottest type of star?

• Blue star

• Red star

• Green star

• Yellow star

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

• Blue giant star

• Yellow dwarf star

• White dwarf star

• Red dwarf star

What is the smallest type of star?

• Red dwarf

• Yellow supergiant

• White dwarf

• Blue giant

What is the largest type of star?

• Red giant star

• Dwarf star

• Supergiant star

• White dwarf star

What is the first stage in the life cycle of a star?

• Formation of a white dwarf

• Expansion of a red giant

• Formation of a protostar

• Birth of a black hole

What happens to a star during the red giant phase?

• It disappears completely.

• It remains the same size and brightness.

• It expands and becomes larger and brighter.

• It shrinks and becomes smaller and dimmer.

What is the final stage in the life cycle of a star?

• Nebula

• Supernova or black hole

• White dwarf

• Red giant

How many arms does the Milky Way galaxy have?

• Two

• None

• One

• Multiple

What is the name of our solar system's position within the Milky Way galaxy?

• Sagittarius Arm

• Orion Arm

• Andromeda Arm

• Perseus Arm

What is the estimated age of the Milky Way galaxy?

• 13.6 billion years

• 100 million years

• 50 billion years

• 5.2 billion years