Cosmology Quiz

According to the Big Bang theory, how was the universe born?

• As a hot, dense, single point in space

• As a series of cosmic spheres

• As an explosion

• As a cold, dense, single point in space

What emerged from the cosmic dark ages 400 million years after the Big Bang?

• Black holes and nebulae

• First stars and galaxies

• Asteroids and comets

• Planets and moons

Who challenged the long-held geocentric model with the heliocentric model?

• Aristotle

• Ibn al-Shatir

• Ptolemy

• Nicolaus Copernicus

Which planet is the smallest and closest to the Sun?

• Venus

• Mercury

• Earth

• Mars

What are asteroids mainly composed of?

• Gas and ice

• Rock and dust

• Frozen gases, dust, and rock

• Liquid water

What happens when a meteoroid enters Earth's atmosphere?

• It becomes a shooting star

• It burns up due to friction

• It creates a comet

• It forms an asteroid

Which planet is known as the 'Red Planet'?

• Mars

• Saturn

• Uranus

• Jupiter

What is the estimated age of our solar system?

• 4.6 billion years

• 2.5 billion years

• 8.9 billion years

• 6.3 billion years

What is the main difference between inner planets and outer planets?

• Number of moons

• Distance from the Sun

• Composition and color

• Size and density

What is the largest planet in our solar system?

• Mercury

• Venus

• Jupiter

• Neptune