hat are redshifts?

(1 point)
Responses

galaxies that are moving closer together

galaxies that are moving closer together

galaxies that are moving farther apart

galaxies that are moving farther apart

galaxies that are growing in size

galaxies that are growing in size

galaxies that are shrinking

1 answer

Redshifts refer to galaxies that are moving farther apart. This phenomenon is often observed in the context of the expanding universe, where the light from distant galaxies is stretched to longer wavelengths, indicating that they are receding from us.