Science Quiz / A2 Physics: Modelling the Universe

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Can you name the A2 Physics: Modelling the Universe?

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Score 0/46 Timer 12:00
What are comets made up of?
What could happen in the immense pressure at the end of a Red Giant phase?
1 Parsec, pc =
Doppler effect: if new wavelength is LESS than original wavelength
What are glowing regions of space called?
H,0, =
What is the last stage in the formation of a star?
What will happen when the pressure rises in the core of the Sun?
Critical density of the universe, rho,c, =
What happens when a Red Giant becomes unstable
What is a 'flat' cosmology?
What will happen as the rate of hydrogen fusion decreases?
The Cosmological Principle States:
What causes the gases associated with a comet to spread out, become ionised and glow?
Doppler effect: if new wavelength is GREATER than original wavelength
What percentage of its original diameter will a white dwarf retain?
As time goes on in the universe, how is kinetic energy lost?
the Hubble constant, H,0, =
The astronomical unit of distance is...
As a result of the attraction and concentration cycle, a large core of material forms called a ....
Why does background (CMB) radiation at a few degrees kelvin support the big bang theory?
What will the change in density be between the Sun and its white dwarf counterpart in kgm3?
Light Year....
What will eventually happen in the core of our Sun?
Neutron Star...
What is a 'closed' cosmology?
The big bang model implies a finite age for the universe roughly equal to...
Why does density increase in certain areas of space?
In a supernova, what are the energies high enough to do?
During what year was a very slight movement towards the red end hydrogen spectrum noticed?
What percentage of the time the Sun spends as a main sequence star will it spend as a 'Red Giant'?
H,0, =
Doppler effect for electromagnetic waves
What is a 'open' cosmology?
1 Light Year, ly =
Where (in the Solar System) do comets originate
What principal initially causes the formation of a star?
1 astronomical unit, AU =
The ultimate fate of the universe depends on...
One Parsec is...
Who discovered that 'red shift' was even more noticeable when examining other galaxies?
Hubble's Law states:

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