Stellar Life Cycle, Doppler Effect, & EMS Review

Which part of the stellar life-cycle has fusion of H to He?

• Protostar

• Main sequence

• Red Giant/Supergiant

• Supernova

Which part of the stellar life-cycle has fusion of He to C?

• Protostar

• Main sequence

• Red Giant/Supergiant

• Supernova

As wavelength increases, what happens to energy?

• Increases

• Decreases

• Stays the same

Which elements are present in the mixture?

• Lithium, Cadmium, & Strontium

• Lithium & Strontium

• Cadmium & Strontium

• Lithium & Cadmium

Which line spectra is moving away from you?

• Top (Red-shifted)

• Middle (Stationary)

• Bottom (Blue-shifted)

What is true about the universe? Hint: It's Hubble's Law!

• Everything is red-shifted, so it's expanding

• Everything is blue-shifted, so it's expanding

• Everything is red-shifted, so it's shrinking

• Everything is staying in the same place

Tags

NGSS.HS-ESS1-2

Which phases of the stellar life cycle don't have G>P? (Pick more than one!) (Hint: these are also the only phases where the star is fusing in its core)

• Nebula & Protostar

• Main sequence

• Red Giant/Supergiant

• White Dwarf

• Black Hole & Neutron Star

Which phase of the stellar life cycle does a star spend most of its life in?

• Nebula

• Protostar

• Main Sequence

• Red Giant/Supergiant

• White dwarf

What is the correct order for a stellar life cycle of a low-to-medium mass star?

• Nebula, Protostar, Main Sequence, Red Supergiant, Supernova, Black Hole

• Protostar, Main Sequence, Nebula, Red Giant, White Dwarf

• Nebula, Main Sequence, Blue Giant, Neutron Star

• Nebula, Protostar, Main Sequence, Red Giant, Planetary Nebula, White Dwarf

What is apparent magnitude?

• The brightness of a celestial object as it looks from Earth

• The brightness of a celestial object as if every object were the same distance away

• How big something looks

• How hot a star is