Stars and Constellations Quiz

What is a star?

• A type of planet

• A small rock in space

• A massive ball of hot gas called plasma

• A large asteroid

How many stars are there in our galaxy?

• Approximately 100 million

• Approximately 10 trillion

• Approximately 1 trillion

• Approximately 400 billion

What determines the color of a star?

• Mass

• Surface temperature

• Brightness

• Size

What is the brightest star in the constellation Orion?

• Sirius

• Aldebaran

• Rigel

• Betelgeuse

How many constellations are recognized by astronomers?

• 50

• 100

• 88

• 120

Which star is known as the North Star and is used in navigation?

• Sirius

• Polaris

• Rigel

• Betelgeuse

What is the celestial sphere?

• A type of telescope

• An imaginary sphere where objects in the sky are projected

• A type of star

• A real sphere in space

How many constellations were named based on Greek and Roman mythologies?

• 80

• 60

• 30

• 48

Which constellation is known as the Hunter?

• Orion

• Gemini

• Taurus

• Leo

What is the color of our Sun?

• Red

• Yellow

• Blue

• Green