Sceinec Exam space and beyond Flashcards
1
Q
What is red shift?
A
When the light is seen as βshiftedβ towards the red part of the spectrum
2
Q
What is a protostar?
A
When gas and dust gets pulled together by gravity creating a dense hot mass
3
Q
What is a main sequence star and what is happening to it?
A
A star in its stable cycle of life, when the temperature of the star gets to high nuclear fussion starts to happen of hydrogen and helium.
4
Q
How are elements formed in stars?
Up to and including iron?
Heavier than iron?
A
Fusion reactions in stars
During and supernova