Introduction to Stars

Is the sun a star?

• yes
• no

What is the closest star to the sun?

• Proxima Centauri 
• Alpha Centauri A 
• Alpha Centauri B 
• Betelgeuse 

The color of the star tells us its 

• composition
• Temperature
• Luminosity 
• Mass

The hottest color star is 

• Blue
• White
• Yellow
• Red

Our star is a 

• yellow/ large star
• yellow/ small star
• yellow/ medium star
• orange/medium star

The only objects in our Universe that produces and emits its own light is

• Nebulas
• Comets
• Planets
• Stars

What do we use to classify the temperature, brightness, and size of stars?

• Color
• The star's shape
• H-R Diagram
• Lux meter

Which measurements allows astronomers to compare the true  brightness of stars?

• parallax
• red shift
• absolute magnitude
• apparent magnitude

Which statement describes stars from coolest to hottest?

• blue, white, red, orange
• white, yellow, orange, red
• orange, yellow, blue white
• red, orange, yellow, white, blue

Galaxies are composed of 

• millions of stars
• trillions of stars
• billions of stars, dust and gas