Origin of the Universe

Multiple Choice

What phase of their life cycle are all stars born in?

• Stellar Nebula

• White Dwarf

• Red Giant

• Main Sequence

Multiple Choice

Which of the following phases does the core of a massive star have so much gravity that even light can't escape? 

• Neutron Star

• White Dwarf

• Black Hole

• Supernova

Multiple Choice

What happens during the Main Sequence phase of a star?

• The star explodes and releases energy

• Helium atoms are fused into heavy elements

• Hydrogen atoms are fused into helium atoms

• The star is born out of dust and gas

Multiple Choice

What type of stars are main sequence stars with higher temperatures?

• smaller, less massive stars.

• larger, more massive stars.

• typical, average mass stars.

• there is no relationship between mass and higher temperatures.

Multiple Choice

The red shift in the spectral lines of light reaching us from other galaxies implies that these galaxies are _________.

• are in rapid rotation

• are moving closer to one another

• are moving farther apart from one another

• consist predominantly of red giant stars

Multiple Choice

Which of the following is the latest observations made by astronomers?

• that the Universe is beginning to contract.

• that the expansion of the Universe is accelerating

• that time is slowing down

• that time is speeding up

Multiple Choice

TRUE OR FALSE:

The discovery of the cosmic microwave background is the first supporting evidence of the Big Bang Theory.

• True

• False