10236166
Description
Mind Map by Selina Koo, updated more than 1 year ago
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Created by Selina Koo
about 7 years ago
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The Past
- The Big Bang Theory
- The universe started off as an infinitely
small, hot, dense 'dot'
- The universe is continuously
expanding
- Evidence for the Big Bang
Theory
- Hubble's Law
- The galaxy appears to be moving
away at speeds proportional to
distance
- When we say the galaxy is moving
away we mean the space around it
- Space is moving and therefore the galaxy
is moving with it
- Space is moving and therefore the galaxy
is moving with it
- When we say the galaxy is moving
away we mean the space around it
- Hubble's Law says that the further
away the galaxy is, the faster it's
moving
- V = Hd
- H: Hubble's constant
- 70 kmsMPc^-1
- 70 kmsMPc^-1
- H: Hubble's constant
- V = Hd
- The galaxy appears to be moving
away at speeds proportional to
distance
- Remnants of the heat
- If the universe started as a hot, dense
'dot' there should be remnants of that
heat
- Cosmic microwave
background radiation
- Cosmic microwave
background radiation
- If the universe started as a hot, dense
'dot' there should be remnants of that
heat
- The abundance of 'light' elements
- i.e. Hydrogen and Helium
- The light elements form to make
heavier elements
- Need more light to make heavy
- Need more light to make heavy
- i.e. Hydrogen and Helium
- Hubble's Law
- The universe started off as an infinitely
small, hot, dense 'dot'
- The Steady State Theory
- Postulates of the Steady State Theory
- The universe is infinitely big
- The universe has always existed
- The universe is constant
- The universe is infinitely big
- Expansion of the universe
- Agrees that the universe is expanding
- Claims that new matter gets created so
the density remains the same
- Claims that new matter gets created so
the density remains the same
- Agrees that the universe is expanding
- Did not explain cosmic microwave
background radiation
- Doesn't account for quasars
- Quasars are young and exist in far
galaxies
- Steady State Theory says you
should be able to see them in near
and far galaxies
- Quasars are young and exist in far
galaxies
- Postulates of the Steady State Theory
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