Review: Milky Way - Your Galactic Home

Stars spend the majority of their lives in which phase?

• protostar phase

• main sequence phase

• red giant phase

• white dwarf phase

Luminosity is a measure of. . .

• total energy output

• brightness from Earth's perspective

• brightness at a standardized distance

• how much time a star has left on the main sequence

Order the following from HOTTEST star type to COOLEST

• yellow stars

• red stars

• white stars

• blue stars

While on the main sequence, stars fuse hydrogen into. . .

• iron

• helium

• oxygen

• nitrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

At the end of its life, the Sun will end up as. . .

• a supernova

• a black hole

• a neutron star

• a white dwarf