👤 whose
Whose observations linked galaxy redshifts to cosmic expansion?
Quick Answer
Edwin Hubble is best known for showing that galaxies recede faster when they are farther away. The relationship is now called Hubble’s law.
The Full Story
Edwin Hubble used observations in the 1920s to show that the light from many galaxies is redshifted, meaning they are moving away from us. He published the distance–velocity relation in 1929, establishing a key observational basis for an expanding universe. The proportionality between distance and recession speed is now called Hubble’s law. Later work refined the measurements, but Hubble’s observations transformed cosmology.
Key Facts
1.Key paper published in 1929
2.Measured galaxy distances and redshifts
3.Hubble’s law relates distance and recession speed
YouTube Angle
Suggested video title for this topic:
"The discovery that made the universe look like it was stretching"
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