Stellar Evolution

Which of the following characteristics determines the color of a star?

• Luminosity

• Temperature

• Distance

• Mass

Answer explanation

Temperature determines color.

The explosion of a supergiant star is also known as a ___________.

• Neutron star

• Nebula

• Blackhole

• Supernova

Tags

NGSS.HS-ESS1-3

What is revealed by the BLUE color of the supergiant star, Rigel?

• It is fairly cool

• It is close

• It is very hot

• It is no longer emitting light

Answer explanation

Blue stars are the hottest.

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-2

Which of the following stars are near the end of their life cycle?

• Main sequence

• White dwarfs

• Giants

• Supergiants

Answer explanation

White dwarfs are stars that have exhausted all of their nuclear fuel.

Tags

NGSS.HS-ESS1-3

Stars like our sun most likely formed directly from a ___________, which is a cloud of dust and gas.

• Protostar

• Nebula

• Main sequence star

• Red giant

Tags

NGSS.HS-ESS1-3

Only the MOST massive stars will end their lives as a _________.

• Red supergiant

• Blackhole

• Neutron star

• Black dwarf

Tags

NGSS.HS-ESS1-3

Which of the following characteristics determines the life cycle of a star?

• Luminosity

• Temperature

• Color

• Mass

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

Our sun's NEXT phase in its life-cycle

• Nebula

• Red supergiant

• Red giant

• Planetary nebula

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

True or False: Larger, more massive stars have a LONGER lifespan than smaller less massive stars

• True

• False

Answer explanation

Larger stars burn up their fuel much faster than smaller stars.

Tags

NGSS.HS-ESS1-1

At what stage in a star's life are elements heavier than iron formed?

• Red Giant

• Supernova

• Blackhole

• Main Sequence

Tags

NGSS.HS-ESS1-3