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What is Hubble's law in a simple way?

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In simple terms Hubble's law says that everything is moving away from us. But not just that. The speed at which they are moving away is different. Closer things are moving away from us slowly. read more

In simple terms Hubble's law says that everything is moving away from us. But not just that. The speed at which they are moving away is different. Closer things are moving away from us slowly. While the farther things are moving away from us faster. This eventually led to the conclusion that universe is expanding. read more

Hubble Diagram. Hubble's law can be easily depicted in a "Hubble Diagram" in which the velocity (assumed approximately proportional to the redshift) of an object is plotted with respect to its distance from the observer. A straight line of positive slope on this diagram is the visual depiction of Hubble's law. read more

Hubble's law or Lemaître's law is the name for the observation that: All objects observed in deep space have a doppler shift-measured velocity relative to Earth, and to each other; The doppler-shift-measured velocity of galaxies moving away from Earth, is proportional to their distance from the Earth and all other interstellar bodies. read more

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Hubble law and the expanding universe
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