The Big Bang

What is used to determine elements present in the stars?

• background radiation

• Doppler Effect

• Spectroscope

What is a band of colors found when using a spectroscope?

• Red-shift

• Bright Line Spectra

• nebula

The apparent shifts in the wavelengths moving away from or toward an observer

• Background radiation

• Protostar

• Doppler Effect

Determines how fast galaxies were traveling

• Background radiation

• spectroscope

• Red-Shift

Low levels of energy

• Red-shift

• Protostar

• Background radiation

The first step in stellar evolution

• birth of a neutron star
• explosion of a supernova
• formation of a protostar
• formation of a black hole

Hydrogen and helium left over from the big bang, a gigantic gas cloud

• Nebula

• Hydrogen and helium
• Oxygen and nitrogen
• Helium and lithium

The formation of large atomic nuclei caused by the combination of smaller ones.

• radioactive decay
• chemical reaction
• nuclear fission
• nuclear fusion

What plots star properties?

• H-R Diagram

• Weather forecasts
• Cooking recipes
• Astronomical charts

Stars within the band running through the middle of the H-R diagram

• neutron stars
• white dwarfs
• red giants
• main sequence stars