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Cosmology MatchUp
Target Level
C
Running Total
0
0%
Attempt
1 of 3
Click on a top box, then click on its match below. Or, drag a top box and drop it onto the correct match. Match all pairs before clicking ‘Check’.
Dark matter
The Big Bang
Astronomical unit
Hubble's law
Parsec
Light year
Galactic red shift
Doppler effect
Cosmic microwave radiation
Dark energy
The observed change in wavelength of a wave due to the source's motion relative to an observer
The observed increase in recession of galaxies at greater distances
The theory describing how all matter in the universe is expanding away from all other matter
Electromagnetic radiation left over from the early universe
v = H0d
Unseen material that can be deduced to exist from the angular momentum of galaxies
Undetected radiation that may be causing the expansion of the universe to accelerate
Unit equivalent to the average distance between the Sun and Earth
Unit equivalent to 9.46 × 10¹² km
Unit of distance determined from observing the motion of stars against a fixed background