Science Quiz / A2 Physics: Modelling the Universe

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Can you name the A2 Physics: Modelling the Universe?

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QuestionAnswer
Galaxies...
Neutron Star...
What will happen when the pressure rises in the core of the Sun?
Hubble's Law states:
The ultimate fate of the universe depends on...
What will happen as the rate of hydrogen fusion decreases?
What will eventually happen in the core of our Sun?
What causes the gases associated with a comet to spread out, become ionised and glow?
Stars...
1 Parsec, pc =
1 astronomical unit, AU =
What percentage of its original diameter will a white dwarf retain?
What principal initially causes the formation of a star?
Light Year....
What percentage of the time the Sun spends as a main sequence star will it spend as a 'Red Giant'?
During what year was a very slight movement towards the red end hydrogen spectrum noticed?
Who discovered that 'red shift' was even more noticeable when examining other galaxies?
Critical density of the universe, rho,c, =
Doppler effect for electromagnetic waves
Why does background (CMB) radiation at a few degrees kelvin support the big bang theory?
Moons...
One Parsec is...
Where (in the Solar System) do comets originate
QuestionAnswer
The big bang model implies a finite age for the universe roughly equal to...
What could happen in the immense pressure at the end of a Red Giant phase?
What is a 'flat' cosmology?
H,0, =
What is the last stage in the formation of a star?
1 Light Year, ly =
What will the change in density be between the Sun and its white dwarf counterpart in kgm3?
H,0, =
What happens when a Red Giant becomes unstable
What is a 'closed' cosmology?
As time goes on in the universe, how is kinetic energy lost?
Doppler effect: if new wavelength is LESS than original wavelength
As a result of the attraction and concentration cycle, a large core of material forms called a ....
The Cosmological Principle States:
In a supernova, what are the energies high enough to do?
Planets...
Why does density increase in certain areas of space?
the Hubble constant, H,0, =
The astronomical unit of distance is...
What are glowing regions of space called?
What is a 'open' cosmology?
Doppler effect: if new wavelength is GREATER than original wavelength
What are comets made up of?

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