In terms of amplitude (the height of the wave on the seismogram), how much more powerful is one (1) unit of magnitude? For example, what is the difference between a Magnitude 7 (M7) and an
M8?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?