Beyond our solary system

What did Hubble's Discovery in 1929 reveal about galaxies?

• Galaxies are shrinking.

• Galaxies are moving towards each other.

• Galaxies are stationary.

• Galaxies are moving away from each other.

What is the estimated age of the universe?

• 20 billion years

• 15.2 billion years

• 13.8 billion years

• 10.5 billion years

What is the Cosmic Microwave Background (CMB)?

• A cluster of stars

• The residual low-energy radiation from the Big Bang

• A massive black hole

• Nuclei forming

Which type of galaxy is the Milky Way?

• Spiral Galaxy

• Elliptical Galaxy

• Irregular Galaxy

• Quasar

What is a super-Earth?

• A type of star

• A planet smaller than Earth

• A planet larger than Earth but smaller than Neptune

• A planet larger than Neptune

What is the Hubble-Lemaître Law?

• The closer a galaxy is, the faster it moves away.

• Galaxies move in a circular pattern.

• The farther a galaxy is, the faster it moves away.

• Galaxies do not move.

What is the Doppler Effect related to the movement of galaxies?

• Galaxies moving away from Earth exhibit a blueshift.

• Galaxies do not exhibit any shift.

• Galaxies moving away from Earth exhibit a redshift.

• Galaxies moving towards Earth exhibit a blueshift.

What is dark matter?

• A type of radiation

• A type of galaxy

• A force driving the universe's expansion

• Matter that does not emit or reflect light but affects galaxy movements

What is the Big Freeze?

• Dark energy tears galaxies apart over time.

• The universe expands indefinitely, leading to a cold, lifeless state.

• The universe expands, contracts, and rebounds in cycles.

• The universe collapses back in on itself.