Star Life Cycle

What elements were primarily formed soon after the Big Bang?

• Hydrogen and Helium

• Carbon and Oxygen

• Iron and Nickel

• Silver and Gold

What is the minimum mass required for a celestial body to qualify as a star?

• Ten Earth masses

• Thirteen Jupiter masses

• One Jupiter mass

• Half a solar mass

What process allows stars to release energy?

• Gravitational collapse

• Chemical reactions

• Nuclear fission

• Nuclear fusion

What is the fate of a low-mass star at the end of its life?

• White dwarf

• Black hole

• Neutron star

• Supernova

What is the Chandrasekhar limit?

• The mass at which a star becomes a black hole

• The maximum mass of a white dwarf

• The minimum mass for a star to undergo a supernova

• The mass required for a star to become a neutron star

What triggers a supernova?

• The star exceeding the Chandrasekhar limit

• The fusion of iron in the core

• The collapse of a star's core

• The star running out of hydrogen fuel

What is left behind after a high-mass star undergoes a supernova?

• A neutron star or a black hole

• A white dwarf

• A planetary nebula

• A new star

What is the triple-alpha process responsible for creating in a star?

• Carbon and Oxygen

• Silver and Gold

• Iron and Nickel

• Hydrogen and Helium

What determines the path a star will follow throughout its life?

• Its location in the galaxy

• Its distance from Earth

• Its mass

• Its age

What is the primary reason stars do not seem to change to the human eye?

• They are too far away

• Human eyes cannot detect light from stars

• Stars do not actually change

• Their lifespans span millions to billions of years