Life Cycle of a Star

Shown as number 1 on the diagram. All stars begin life in the same way forming from a cloud of dust and gas, also known as a ...

• Stellar nebula

• Planetary nebula

• Massive star

• Black hole

Shown as number 3, this type of star has exhausted the supply of hydrogen in its core and has begun

thermonuclear fusion of hydrogen in a shell surrounding the core. It is called ....

• Red giant

• Red super giant

• Massive star

• Neutron star

Tags

NGSS.HS-ESS1-3

Shown as number 4 on the diagram, this is what stars like the Sun become after they have exhausted their nuclear fuel.

• White dwarf

• Neutron star

• Red giant

• Super red giant

Tags

NGSS.HS-ESS1-3

Shown as number 5 on the diagram, these types of stars are born in the same way as other stars. They are the most luminous stars and have a mass have a mass 3 - 50x that of the Sun. They are called

• Massive stars

• Average stars

• White dwarfs

• Super red giants

Tags

NGSS.HS-ESS1-3

Shown as number 6 on the diagram, these stars are the largest known stars in the universe measuring more than a 1000x the size of our Sun. They are known as ....

• Red super giants

• Massive stars

• White dwarfs

• Neutron stars

Tags

NGSS.HS-ESS1-3

Shown as number 7 on the diagram, this is a powerful and luminous stellar explosion. This event occurs during the last stellar evolutionary stages when a massive star is triggered into runaway nuclear fusion. It is known as a ....

• Supernova

• Stella nebula

• Big Bang

• Black hole

Tags

NGSS.HS-ESS1-3

Shown as number 8 on the diagram, these stars are the collapsed core of a massive supergiant star, which had a total mass of between 10 and 25 solar masses. They result from a supernova explosion. They are called ....

• Neutron stars

• White dwarfs

• Massive stars

• Red giants

Tags

NGSS.HS-ESS1-3

Shown as number 9 on the diagram, this is a region of spacetime where gravity is so strong that nothing (no particles or even electromagnetic radiation such as light) can escape from it. It is called ...

• Black hole

• Neutron star

• White dwarf

• Supernova

Tags

NGSS.HS-ESS1-3

A star's lifecycle is determined by its ....

• Mass

• Temperature

• Brightness

• Luminosity

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

stars that are fusing hydrogen atoms to form helium atoms in their cores.

• super redgiant

• red giant

• Nebula

• main sequence star

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1