Stars & The Universe Quiz

What type of star is the Sun?

• Neutron star

• Main sequence star

• Red giant

• White dwarf

Which process powers the Sun and other stars?

• Combustion

• Fission

• Nuclear fusion

• Radiation

What is the main element fused in the core of the Sun?

• Helium

• Carbon

• Hydrogen

• Oxygen

What determines a star’s color and temperature?

• Its distance from Earth

• Its mass only

• Its surface temperature

• Its age

What does redshift in light from distant galaxies suggest?

• Galaxies are moving toward us

• The universe is static

• The universe is expanding

• Stars are cooling

According to the Big Bang Theory, the universe began from:

• A cold gas cloud

• A singular, extremely dense and hot point

• A collapsing galaxy

• A massive explosion of a star

What evidence supports the Big Bang Theory?

• Presence of black holes

• Cosmic microwave background radiation

• Solar flares

• Star formation in galaxies

What did Edwin Hubble discover?

• That the Moon causes tides

• That galaxies are moving away from us

• That black holes emit light

• That stars are eternal

How does Hubble’s Law relate distance and speed of galaxies?

• Closer galaxies move faster

• Distance and speed are unrelated

• Farther galaxies move faster

• All galaxies move at the same speed

What can scientists estimate using Hubble’s Law?

• Star lifespan

• Mass of planets

• Distance between atoms

• Age of the universe