Astronomy: Unit 4 Stars and the Sun

What is the process called that creates energy in the sun?

• Radiation

• Fusion

What does CME stand for?

• Circular Motion Energy

• Coronal Mass Ejections

Which two elements combine to make energy through fusion in the sun?

• Oxygen and Hydrogen

• Hydrogen and Helium

How long does it take for particles moving at the speed of light to get out of the radiative zone of the sun?

• 1 thousand years

• 1 million years

What does a red shift in a star's light indicate?

• The star is getting hotter

• The star is moving away from us

What type of galaxy is the Milky Way?

• Irregular galaxy

• Spiral galaxy

What is the correct order of the life cycle of a high mass star?

• 1-nebula, 2-blue giant, 3-red supergiant, 4-supernova, 5-neutron star/black hole

• 1-nebula, 2-red supergiant, 3-blue giant, 4-neutron star/black hole, 5-supernova

What is the correct order of the life cycle of a low mass star?

• 1-nebula, 2-main sequence star, 3-red giant, 4-white dwarf

• 1-nebula, 2-red giant, 3-main sequence star, 4-white dwarf

How long does it take for light to travel from the Sun to the Earth?

• 8 minutes

• 8 hours

Which of the following are features of sunspots?

• They are hotter than the areas around them and cause solar flares.

• They are cooler than the areas around them and can cause solar flares and coronal mass ejections.