What is the primary composition of a star?

• A cluster of dust

• A ball of hot gas

• A solid mass of rock

• A collection of ice particles

Approximately how many stars are there in our galaxy?

• 50 to 100 million

• 200 to 400 million

• 200 to 400 billion

• 500 to 700 billion

Which type of star is the most common and cooler than others?

• Yellow star

• Red dwarf

• Blue giant

• White dwarf

What is the relationship between a star's temperature and its brightness?

• Cooler stars are brighter

• Hotter stars are dimmer

• Cooler stars are dimmer

• Temperature does not affect brightness

What type of star is our Sun classified as?

• Red supergiant

• Yellow star

• Blue giant

• Red dwarf

Which star type is larger and has a shorter lifespan due to faster fuel consumption?

• White dwarf

• Red supergiant

• Yellow star

• Red dwarf

What happens to a red supergiant at the end of its life?

• It becomes a black hole

• It turns into a white dwarf

• It explodes into a supernova

• It becomes a neutron star

What is a constellation?

• A group of stars forming a pattern

• A galaxy

• A single bright star

• A cluster of planets

Why are constellations not always visible throughout the year?

• They move away from Earth

• They are blocked by the Moon

• The Earth's rotation changes the view

• They only appear during certain seasons

What is a star chart used for?

• Predicting weather patterns

• Mapping the stars and constellations

• Tracking satellite movements

• Measuring the distance to the Moon