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It means that, the farther away a galaxy is from us, the faster it moves away from us.

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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.


Who was the astronomer that discovered the universe was expanding?

Edwin HubbleAnswer2:Hubble did not believe the universe is expanding. The universe is not expanding like the big bang, it is excited like an atom. The electrons jump to a higher level and lower their speed. The lower speed is a lower energy state, the max energy is when v=c.Hubble;s relationship v=HD indicates the distance D from the max energy state, where v = c.Hubble's Constant is dR/Rdt =c/R =H = 300M/150TT = 2E-18 m/s x31E21 = 62km/s/Megaparsec.


Is it true that the further galaxies are away from us the faster they move?

Yes, it is true. This relationship is described by Hubble's law, which states that the velocity at which a galaxy moves away from us is directly proportional to its distance from us. This observation is a key piece of evidence supporting the expanding universe theory.


What kind of mathematical relationship exists between velocity and distance?

Velocity is the rate of change of distance over time. This relationship is described by the equation velocity = distance/time, where velocity is measured in units like meters per second, distance is measured in units like meters, and time is measured in units like seconds. As velocity increases, the distance covered in a given amount of time also increases.


What shows the galaxies expanding?

Yes ...why.. well there is a theory that once the universe was as small as a match's red head? i don't know what it's called what ever...so when that bead explodes and it expands. and scientists believe that it keeps expanding. Another question you should ask your self is if that the universe was that small what was around it? answer it cause i wanna know and hope this helps!

Related Questions

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.


When did Hubble discover that the universe was expanding?

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.


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.


Explain what Hubble's law states?

Hubble's Law states that the recessional velocity of galaxies is directly proportional to their distance from Earth. This observation implies that the universe is expanding, with more distant galaxies moving away faster than those closer to us. The relationship is often expressed with the equation ( v = H_0 \times d ), where ( v ) is the velocity, ( d ) is the distance, and ( H_0 ) is Hubble's constant. This law provides strong evidence for the Big Bang theory and the overall dynamics of the universe.


what is the Hubble effect?

The Hubble effect, also known as Hubble's Law, describes the observation that galaxies are moving away from us, and their speed is proportional to their distance from Earth. This phenomenon is a key piece of evidence for the expanding universe theory, indicating that the universe has been expanding since the Big Bang. The relationship is expressed mathematically as ( v = H_0 \times d ), where ( v ) is the velocity of a galaxy, ( H_0 ) is the Hubble constant, and ( d ) is the distance to the galaxy. The Hubble effect provides crucial insights into the dynamics and evolution of the cosmos.


Are quasars moving towards Earth at very high velocity?

No. Pretty much everything in the Universe is moving away from pretty much everything else in the Universe. This is because the Universe is expanding.


What is it when galaxies move away at a speed proportional to their distance?

This phenomenon is known as Hubble's Law, which describes the relationship between the distance and the velocity at which galaxies are moving away from us. It is a key piece of evidence for the expansion of the universe.


What is the relationship between the velocity of an object and the time it takes to travel a certain distance?

The relationship between the velocity of an object and the time it takes to travel a certain distance is that the higher the velocity, the shorter the time it takes to cover the distance. This is because velocity is the speed of an object in a specific direction, so a higher velocity means the object is moving faster and can cover the distance in less time.


What is the relationship between initial velocity, acceleration, and time in the kinematic equations for distance?

In the kinematic equations for distance, the relationship between initial velocity, acceleration, and time is that the distance traveled is determined by the initial velocity, the acceleration, and the time taken to travel that distance. The equations show how these factors interact to calculate the distance an object moves.


What is the relationship between the velocity of an object and the time t it takes to travel a certain distance?

The relationship between the velocity of an object and the time it takes to travel a certain distance is that the velocity of an object is directly proportional to the time it takes to travel a certain distance. This means that as the velocity of an object increases, the time it takes to travel a certain distance decreases, and vice versa.


The distance traveled by a car depends on the velocity of the car?

Yes, the distance traveled by a car is directly proportional to its velocity. This relationship is described by the formula distance = velocity x time, where time is the duration of travel. The faster the car is moving (higher velocity), the more distance it will cover in a given amount of time.


Who was the astronomer that discovered the universe was expanding?

Edwin HubbleAnswer2:Hubble did not believe the universe is expanding. The universe is not expanding like the big bang, it is excited like an atom. The electrons jump to a higher level and lower their speed. The lower speed is a lower energy state, the max energy is when v=c.Hubble;s relationship v=HD indicates the distance D from the max energy state, where v = c.Hubble's Constant is dR/Rdt =c/R =H = 300M/150TT = 2E-18 m/s x31E21 = 62km/s/Megaparsec.