Space Flashcards
1
Q
Apart from the expansion of the universe, what other edivdence is there for the Big Bang theory? Explain how.
A
CMBR is detected from every direction of space. This is from matter still cooling from the Big Bang.
2
Q
CMBR
A
Cosmic Microwave Background Radiation.
3
Q
Define geostationary.
A
The satellite takes 24 hours to orbit Earth.
This means it appears to be stationary in the sky above a fixed point on the surface
4
Q
How does a supernova become a neutron star or black hole?
A
The outer layers of the supernova move away to leave a dense core (neutron star) or a black hole.
5
Q
How does a red supergiant move into its next stage?
A
It undergoes a series of expansions & contractions and then explodes in supernovae.
