What does the red shift of nebulae signify?
High recession velocities
Nearness to Earth
Existence of life
Signs of a new galaxy formation
Answer
The red shift of nebulae signifies high recession velocities. The further away a nebula is from the Earth, the more redshifted it appears. This is because the light from the nebula is stretched out as it travels through space, due to the expansion of the universe. The higher the recession velocity of the nebula, the more redshifted it will appear.
Exploring the Cosmos: Discovering Edwin Hubble's Universe
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