P8: Space Physics (triple) Flashcards
1
Q
Describe the life cycle of a star including a red super giant.
A
nebula protostar main sequence star red super giant super nova neutron star or black hole
2
Q
Describe the life cycle of a star including a red giant.
A
nebula protostar main sequence star red giant white dwarf black dwarf
3
Q
What is the instantaneous velocity of a satellite?
A
the speed at which the satellite is ‘trying’ to move at, at a right angle from the force of gravity.
4
Q
How does red shift explain that the universe is expanding?
A
Light from further away galaxies have increasing wavelengths towards the red end of the spectrum. This suggests the source of the light is moving away from us.
