Galaxies, Stars, and HR Diagrams STAAR

What is the name of the largest stars?

• Protostars

• Supergiants

• Red Giants

• Dwarf Stars

Which star is the coldest?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

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

A collection of gas and dust where new stars are born is known as a...

• Planetary Nebula

• Black Hole

• Supernova

• Stellar Nebula

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 star phase happens when an average star expands its outer layers to increase in size and luminosity (brightness)?

• Neutron star

• White Dwarf star

• Red Giant star

• Black Hole

Which is an example of a Main Sequence star?

• Betelgeuse

• our Sun

• Sirius B

• Polaris

Tags

NGSS.HS-ESS1-1

Our sun is currently in what star stage?

• Protostar

• Nebula

• Main Sequence

• Red Giant

Tags

NGSS.HS-ESS1-1

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

What determines the life cycle path that a star will take?

• Mass of the star

• Temperature of the star

• Location of the star

• Speed of a star's rotation

Tags

NGSS.HS-ESS1-1