Luminocity, magnitudes andd Hr diagram Flashcards
1
Q
What types of nuclei were created during cosmic nucleosynthesis?
A
Up to Li were created during the big bang
2
Q
What types of nuclei were created during stellar nucleosynthesis?
A
All heavier nuclei were made in stars
3
Q
Define luminocity
A
Rate at which energy is radiated
4
Q
Define Flux
A
Energy per unit time crossing unit surface area
5
Q
Define Flux Density
A
Flux per unit frequency interval
6
Q
Equation for solid angle
A
Ω = A/(d^2)