HR diagrams and Star life cycle

Which group or  category does our Sun belong to?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Tags

NGSS.HS-ESS1-1

The star Betelgeuse has a diameter 700 times that of the Sun and a luminosity 50,000 times greater

• White Dwarfs

• Supergiants

• Main Sequence

• Giants

Tags

NGSS.HS-ESS1-3

Stars found in the top left of the HR Diagram can be described as

• red, cool and dim

• blue, hot and bright

• yellow, hot and bright

• white, cool and dim

White dwarfs are low to medium main sequence stars which have burned through all their hydrogen and helium, passed through the giant phase. Their outer layers expand to form colorful planetary nebula, and then collapsed and cooled into small glowing coals. On the H-R diagram above, where would you most likely find white dwarfs?

• bottom left to middle

• top left to middle

• top right

• off the diagram

Tags

NGSS.HS-ESS1-3

Based on the diagram above, how do the characteristics of Spica and the Sun compare?

• Spica is cooler and less bright than the Sun

• Spica is hotter and brighter than the Sun

• Spica is cooler and brighter than the Sun

• Spica is hotter and less bright than the Sun

What causes the different colors of the stars?

• surface temperature

• the distance from Earth

• the distance from the Sun

• the gases that make up the star

Tags

NGSS.HS-PS4-3

What physical characteristics determines the fate of the star?

• mass

• color

• temp

• brightness

Tags

NGSS.HS-ESS1-1

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

What are stars made of?

• hot gases

• ice

• hydraulic gas

• dust and clouds