Ordinary (baryonic) matter interacts strongly with radiation whereas, by definition, dark matter does not--though both affect the oscillations by their gravity--so the two forms of matter will have different effects.
Both affect the oscillations by their gravity, so the two forms of matter will have different effects. Ordinary (baryonic) matter interacts strongly with radiation whereas, by definition, dark matter does not.
Ordinary (baryonic) matter interacts strongly with radiation whereas, by definition, dark matter does not. Both affect the oscillations by their gravity, so the two forms of matter will have different effects.
Ordinary (baryonic) matter interacts strongly with radiation whereas, by definition, dark matter does not. Both affect the oscillations by their gravity, so the two forms of matter will have different effects.