Galaxies, Stars, and HR Diagrams STAAR

The gasses in stars are:

• Hydrogen & Helium

• Oxygen & Nitrogen

• Atmosphere

Tags

NGSS.HS-ESS1-1

As our sun continues through its life cycle, it will _________ and turn into a _______________.

• gradually get smaller and smaller until it dies out/ black hole

• Gradually get larger until its outer layers drift off/ white dwarf

• become denser and denser/ protostar

• become hotter and hotter blue/ hypergiant.

Tags

NGSS.HS-ESS1-1

What word best describes our sun?

• Average

• Supergiant

• Dwarf

• Red Giant

Tags

NGSS.HS-ESS1-1

If two stars are the same size, then _______________________.

• the cooler star will be brighter than hotter star

• the smaller star will always appear brighter than the bigger star

• the star that is closer to the Earth will appear brighter than the star that is farther away

• stars are all the same brightness no matter how far away

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

What is the Hertzsprung-Russel Diagram?

• A map which tells the approximate location of stars in the Milky Way galaxy and their distance from Earth.

• A table that alphabetically lists stars by name and includes dates of when the star was first charted.

• A chart which organizes stars into categories based on the amount of Hydrogen they burn.

• A graph used to classify stars according to their luminosity, color, temperature, and stage.

Tags

NGSS.HS-ESS1-3

What physical characteristics determines the fate of the star?

• mass

• color

• temp

• brightness

Tags

NGSS.HS-ESS1-1

Zeta Eridani has a temperature of 40,000 what is its spectral class?

• Spectral Class O
  

• Spectral Class A

• Spectral Class G

• Spectral Class M

Tags

NGSS.HS-ESS1-3

Which of the following is NOT a characteristic used to classify stars?

• Color

• Temperature

• Size

• Shape

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