Topic 8 - The Big Bang (Paper 2) Flashcards
1
Q
what do measurements of red-shift in distant galaxies suggest?
A
they have greater red-shifts so distant galaxies are moving away faster
2
Q
what is CMBR?
A
low frequency microwave radiation coming from all directions and parts of the universe
3
Q
what is the big bang?
A
initially all matter in the universe occupied a single point, which was very dense and hot
this point then ‘exploded’ and space started expanding
