Stars and Constellations FA

What is the process by which stars generate energy?

• Chemical reaction

• Gravitational collapse

• Thermonuclear fusion

• Nuclear fission

How many stars are approximately in our galaxy?

• 400 billion

• 40 billion

• 4 trillion

• 400 million

What is the name of the galaxy discovered by William Herschel that resembles a food?

• Andromeda Galaxy

• Fried Egg Galaxy

• Milky Way Galaxy

• Sombrero Galaxy

What does the color of a star indicate?

• Its age

• Its brightness

• Its surface temperature

• Its distance from Earth

Which of the following is NOT a characteristic of stars?

• Color

• Shape

• Surface Temperature

• Brightness

What is the term for the brightness of a star as seen from Earth?

• Absolute brightness

• Radiance

• Luminosity

• Apparent brightness

Which constellation is associated with the cold season?

• Gemini

• Sagittarius

• Orion

• Andromeda

What is a protostar?

• A hot core at the heart of a collapsing cloud

• A star that has exploded

• A type of galaxy

• A fully formed star

What is the main use of constellations in ancient times?

• To tell stories

• For navigation

• To predict weather

• For decoration

Which of the following is a characteristic of the Sun?

• It is a planet

• It is a comet

• It is a star

• It is a moon