Stars

Apparent brightness is

• how bright a Star actually is

• how bright a Star appears from Earth

A neutron star is...

• the second stage of a star's life

• a dead high mass star

• a star that produces fusion

90% of all stars in the universe and these stars produce fusion

• red giants

• protostars

• white dwarfs

• main sequence stars

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

True or false:

High mass stars are dim, cool stars.

• true

• false

These stars produce a yellow color and live 10 billion years

• protostars

• high mass stars

• medium mass stars

• low mass stars

Black holes are the dead _______ mass stars.

• low

• medium

• high

A space cloud rich in dust and gases where stars form

• nebula

• planetary nebula

• supernova

A Star that has just emerged from a nebula and is not producing fusion yet.

• red giant

• main sequence star

• nova

• protostar

Medium mass stars swell into a _______ once hydrogen has been used up.

• red giant

• nova

• planetary nebula

• super red giant

Before a high mass star explodes in a supernova it is in the form of a ________

• red giant

• nebula

• super red giant

• planetary nebula