markcardenas2613 markcardenas2613

16-12-2022
Physics

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what two quantities did edwin hubble compare for a sample of galaxies to discover the expansion of the universe? what two quantities did edwin hubble compare for a sample of galaxies to discover the expansion of the universe? luminosity and temperature velocity and distance luminosity and distance age and distance velocity and temperature

Answer :

Pallave217 Pallave217

25-12-2022

A galaxy's recession velocity is inversely correlated with its distance from the sun. velocity and distance.

What are the three basic classifications of galaxies proposed by Edwin Hubble?

Galaxies are categorised into three basic types under Hubble's scheme, which would be based on the optical aspect of galaxy pictures on photographic plates: ellipticals, spirals, & irregulars.These three classes were separated by Hubble into more specific categories.

What two elements make up Hubble's law?

Astronomers must be capable of measuring 2 factors in order to determine the Hubble factor by looking at the cosmos:the separation between celestial bodies.Each object's "recession velocity"

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