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Edwin Hubble discovered that the universe was expanding in 1929 when he observed that distant galaxies were moving away from us, as indicated by their redshift in their spectral lines. This discovery led to the formulation of Hubble's law, which describes the relationship between a galaxy's distance and its velocity of recession.
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What did Edwin Hubble discover in 1927?
universe is expanding
How did eddwin hubble discover the big bang theory?
Edwin Hubble did not discover the Big Bang theory itself, but his observations laid the groundwork for it. In the 1920s, Hubble discovered that distant galaxies were moving away from us, with their light shifted toward the red end of the spectrum (redshift), indicating that the universe was expanding. This finding led to the formulation of the Big Bang theory, which posits that the universe began from a hot, dense state and has been expanding ever since. Hubble's work fundamentally changed our understanding of cosmology and the origins of the universe.
What scientist first established that the universe is expanding?
Edwin Hubble
What made Hubble think the universe was expanding?
Hubble observed that galaxies were moving away from each other, indicating that the universe is expanding. He discovered a relationship between a galaxy's distance from Earth and its velocity, known as Hubble's law, providing evidence for this expansion.
What did Edwin hubble discover abnout the universe and how did he make this discovery?
Edwin Hubble discovered that the universe is expanding, which he demonstrated through his observations of distant galaxies. By analyzing the redshift of light from these galaxies, he found that they were moving away from us, leading to the formulation of Hubble's Law. This discovery fundamentally changed our understanding of the universe's structure and dynamics, suggesting that it was not static but rather constantly expanding over time. His work laid the groundwork for modern cosmology and the Big Bang theory.
What did Edwin Hubble discover in 1927?
universe is expanding
Is this universe closed?
As proven by Edwin Hubble, the universe is expanding.
Who astronomer discovered that the universe is expanding?
Edwin Hubble
Who showed that other galaxies exsisted and obsereved that the universe is expanding?
Edwin Hubble was responsible for the concept of the universe expanding.
What two quantities did Edwin Hubble compare to discover the expansion of the Universe?
Edwin Hubble compared the distances to galaxies (based on their brightness) and their redshifts (due to the Doppler effect) to discover the expansion of the Universe. By finding a relationship between these two quantities (dubbed Hubble's Law), he provided evidence that the Universe is expanding.
What was Edwin hubble's most famous discovery?
The universe is expanding!
What scientist first established that the universe is expanding?
Edwin Hubble
Why was Edwin Hubbles theory important?
Hubble was an astrophysicist in the early 20th century. He helped discover the rate at which the universe is expanding, which is now given by the Hubble constant. (H0=69km s^-1 Mpc^-1)
The idea that the universe is expanding was discovered in the late 1920s by?
It was discovered by Hubble.
Who showed other galaxies existed and the universe is expanding?
Edwin Hubble
Who showed that galaxies exist and observed the universe is expanding?
Edwin Hubble.
Who discovered that the universe is expanding at a rate that increases with distance?
Edwin Hubble.
