Which has the highest "apparent" brightness?

• Moon

• Sun

• Proxima Centauri

• Mars

What means "Luminosity"?

• Absolute Brightness

• Apparent Brightness

• Temperature

• Size

Which is the hottest star magnitude?

• M

• K

• A

• O

What two variables are on H-R Diagram axis'?

• Temperature

• Distance

• Luminosity

• Size

Large and/or hot stars burn out quickly.

• TRUE

• FALSE

Tags

NGSS.HS-ESS1-3

Where are Red Giants on the H-R Diagram relative to the Main Sequence?

• Below it

• On the Main Sequence

• Above it

What do all the stars on the Main Sequence have in common?

• Same Color

• Same Temperature

• Hydrogen Fusion

• Same Distance

Tags

NGSS.HS-ESS1-1

What forces are in balance in all stars on the Main Sequence?

• Temperature

• Gravity

• EM Radiation

• Pressure

Tags

NGSS.HS-PS2-4

Where are White Dwarfs on the H-R Diagram relative to the Main Sequence?

• Above it

• In the Main Sequence

• Below it

Red Giants have a greater luminosity than Red Supergiants.

• TRUE

• FALSE