Main Sequence Stars

In the diagram given, what happens as we move to the left?

• Stars Get Larger

• Stars get Colder

• Stars get hotter

Tags

NGSS.HS-ESS1-3

Which category is our Sun located in?

• White Dwarfs

• Supergiants

• Main Sequence

• Giants

How does the mass of a hot, bright main sequence star compare to a cool, faint main sequence star?

• They have more mass

• They have the same mass

• They have less mass

Tags

NGSS.HS-ESS1-3

Our sun is currently a main sequence star. All main sequence stars fuse ____ in their cores.

• helium into hydrogen

• hydrogen into helium

• helium into carbon

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?

• As temperature decreases, luminosity increases.

• As temperature decreases, luminosity remains the same.

• As temperature increases, luminosity increases.

• As temperature increases, luminosity remains the same.

Main sequence stars are...

• the majority of stars in the universe

• the stage when the star fuses Hydrogen into Helium

• neither is correct

• both are correct

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

I am one of the red-orange Main Sequence stars, with the cooler surface temperature.

I am ​​ (a)  

• Zeta Eridani

• Spica

• Vega

• Procyon

• Sun

• Alpha Centauri B

• Barnard's Star

Tags

8.8A

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

• greater, lower

• greater, higher

• lower, higher

What initiates the main sequence stage of a star?

• The star is born out of dust and gas 

• Helium is fused into heavy elements

• Hydrogen fuses into helium

• The star explodes

Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?

• As temperature decreases, luminosity increases.

• As temperature decreases, luminosity remains the same.

• As temperature increases, luminosity increases.

• As temperature increases, luminosity remains the same.