The Big Bang Flashcards
1
Q
How old is the universe
A
13.8 billion years old.
2
Q
Describe the timescale of the universe.
A
Go on to your timeline of the universe on procreate.
3
Q
Shy could atoms not be formed straight away after the big bang?
A
There wasn’t enough energy for the nuclei to fuse together into heavier combinations, but there’s too much energy and it was too hot for electrons to bind to them and form atoms.
4
Q
What is the Big Bang theory?
A
It is the theory of how the universe first started.
5
Q
How is the Big Bang theory supported by evidence
A
The measured abundances of elements, the observed expansion of space, and the discovery of the cosmic microwave background (CMB). The CMB refers to the uniform distribution of radiation that pervades the entire universe.
