Astronomy

What is this breakdown of light into different wavelengths called?

• Emission Spectrum

• Star Chart

• Yellow line graph

• H-R Diagram

Hotter stars emit more light in the ____ part of the spectrum.

• Blue

• Green

• Red

• Yellow

Cooler stars emit more light in the ____ part of the spectrum.

• Blue

• Green

• Red

• Yellow

What are the most abundant elements in stars?

• Oxygen & Nitrogen

• Hydrogen & Helium

• Hydrogen & Oxygen

• Helium & Nitrogen

What is our Sun's surface temperature and category?

• 5500^oC and G6

• 5500^oC and G2

• 5600^oC and G1

• 6500^oC and G2

If two stars are the same temperature, but Star 1 one is bigger than Star 2, then which star will be more luminous?

• Star 1

• Star 2

Hertzsprung & Russell created a graph of stars plotting....

• luminosity vs. temperature.

• luminosity vs distance.

• color vs. temperature.

• temperature vs. distance.

The Red Giant and Red Super Giant clusters in the upper right of the H-R Diagram....

• are actually tiny White Dwarfs.

• are middle aged stars in the middle of their lives.

• are brand new stars just starting out.

• are in the dying phase of their lives.

A(n) _______ is the average distance between Earth and the Sun. 

• light-year
• kilometer
• astronomical unit
• parsec

A supernova is

• an explosion of a red supergiant
• a very large star
• the end of the life of a low mass star
• what Mrs. Downing called her first car--Supernova the Chevy Nova.