Life Cycle of a Star Read it!

What is the primary force that holds galaxies together?

• Gravitational force

• Electromagnetic force

• Nuclear force

• Weak force

Which type of galaxy is the Milky Way?

• Spiral galaxy

• Elliptical galaxy

• Irregular galaxy

• Lenticular galaxy

What marks the birth of a new star?

• The beginning of nuclear fusion

• The collapse of a nebula

• The formation of a protostar

• The shedding of outer layers

What is the final stage of a star like our Sun?

• White dwarf

• Red giant

• Neutron star

• Black hole

What can the remnants of a supernova form if massive enough?

• Black hole

• White dwarf

• Red giant

• Protostar

Match the following

• an attractive force that pulls all mass

• binary star systems

• When a star explodes.

• gravitational force

• two stars orbiting the same point

• white dwarf

• Made up of all matter and space.

• Universe

• a small compact star

• supernova

How can supernovas form?

• When a white dwarf accumulates too much matter from another star.

• At the end of a star's life cycle when the fuel has run out and it explodes.

• In a nebular due to the force of gravity

• When hit with a nuclear bomb.