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Why does the red shift of galaxies provide evidence that the universe is expanding?
It means that the light from galaxies is losing energy. The only reasonable explanation for this is the cosmoligical redshift - that is, that the Universe is expanding.
What is the red shift of light from most galaxies is evidence that?
The most plausible explanation for the redshift is that galaxies are moving away from us. This is similar to the Doppler effect, but it is normally believed that space itself is expanding, so the situation is a bit different from the "normal" Doppler effect.
What will happen to galaxies without gravity?
Without gravity, galaxies would not be able to maintain their structure, as gravity is the fundamental force that holds stars, gas, and dark matter together. Stars would drift apart, leading to the disintegration of galaxies into isolated stars and cosmic debris. Over time, these individual stars would move freely through space, resulting in a universe where galaxies cease to exist as cohesive entities. Ultimately, the organized formations we observe would dissolve into a vast, chaotic expanse of matter.
What is the possessive form of galaxies?
The possessive form for the plural noun galaxies is galaxies'.Example: Their galaxies' paths do not coordinate.
What are galaxies classified as?
Galaxies are classified based on their shape and structure. The main types of galaxies are spiral, elliptical, and irregular. Spiral galaxies have distinct arms of stars, elliptical galaxies are more oval-shaped with older stars, and irregular galaxies have a less defined shape.
A possible explanation for how or why something happens is called what?
A possible explanation is called a hypothesis.
Is it possible for there to be unknown colors in other galaxies?
no.
Why does the red shift of galaxies provide evidence that the universe is expanding?
It means that the light from galaxies is losing energy. The only reasonable explanation for this is the cosmoligical redshift - that is, that the Universe is expanding.
Who said Those who believe no explanation is necessary those who do not believe no explanation is possible?
"To one who has faith, no explanation is necessary. To one without faith, no explanation is possible." ― St. Thomas Aquinas
What type of galaxy is the dimmest?
There are galaxies that orbit our galaxy that are believed to be filled with a lot of dark matter. Segue 1 is one of about two dozen dwarf galaxies around ours that have light outputs equal to only a few hundred times that of our sun. There are probably untold numbers of other such galaxies around the more visible galaxies. This is a possible explanation for the discrepancy in the predicted mass of the universe and the observed mass. Some theories postulate that 90% of the mass of the universe is composed of this unobservable "dark matter". The existence of these dim dwarf galaxies help explain the discrepancy.
How many galaxies are in the local cluster?
Around 42 named galaxies, with 13 possible additions. See related question.
How does light from distant galaxy . galaxy out side of 32000000 light years support the big bang theory?
The light from distant galaxies is redshifted. The only reasonable explanation for that is that the galaxies are moving away from us.
What is a possible explanation to a question?
A hypothesis.
What is a possible explanation?
Hypothesis
A possible explanation or answer to a question?
conclusion
In sciencewhat is a possible explanation?
A hypothesis.
What A Possible Explanation Or Answer To A Question?
A hypothesis
