HR Diagram

The Hertzsprung-Russell diagram graphs stars' luminosity and ....

• color

• size

• temperature

• distance

The Sun is a ___________ star.

• red giant

• main sequence

• protostar

• white dwarf

Aldebaran is a ____________

• red giant

• white dwarf

• main sequence star

• supergiant

Tags

NGSS.HS-ESS1-3

Compared to the Sun, Spica is .......

• hotter and brighter

• cooler and brighter

• hotter and dimmer

• cooler and dimmer

Tags

NGSS.HS-ESS1-3

The process by which a star changes over its lifetime is its ____________.

• birth

• age

• life cycle

• growth

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Ninety percent of all stars are ______ .

• white dwarfs

• supergiants

• red giants

• main sequence stars

Tags

NGSS.HS-ESS1-3

A star with a temperature of 10,000 K and a luminosity of 5000 times greater than the Sun would be a ____________.

• supergiant

• red giant

• white dwarf

• main sequence star

The ______ of a star determines its life cycle.

• gravity

• mass

• age

• color

Tags

NGSS.HS-ESS1-3

For main sequence stars, the _________ the luminosity, the ___________ the temperature.

• greater, lower

• greater, higher

• lower, higher

How many stars are in our Solar System?

• Hundreds

• Billions

• One

• Eight