0
Red Shift
When the galaxies or other celestial bodies are moving away, the light waves become stretched out, that is, they become redder. This process is called red shift.
221 Questions
Relationship of red shift and the big bang theory?
The Big Bang theory predicts an expanding universe. The red shift, being the Doppler effect of light when something is receding from you, confirms this because when looking at galaxies the light emitted from them is red shifted. The farther away galaxies have a higher red shift, confirming that all galaxies are moving away from each other, not just the Milky Way (i.e. the universe is expanding).
What would red shift do to helium's Fraunhofer lines?
Red shift would cause helium's Fraunhofer lines to shift towards the red end of the spectrum. This occurs because as the light from the helium source is redshifted, the wavelengths of the spectral lines observed would also increase, causing them to appear at longer wavelengths.
What is the Andromeda Galaxy's red shift?
The Andromeda Galaxy red shift is -301 km/s
Which actually means it is blue shifted and is heading towards us at about 100 to 140 kilometres per second
What does a red shift in light from distant celestial objects indicate to a scientist on Earth?
A red shift in light from a distant celestial objects indicates different things to different scientists depending on their wisdom. For example Edwin Hubble said the red shift indicated a "hither too unrecognized principle of nature". Other scientists saw an indicator of an expanding universe. My opinion is that Hubble was correct.
My view is that the red shift is an indicator of the equilibrium of the centripetal and centrifugal scalar forces in the universe and atoms! There are at least two red shifts, one due to gravity forces and one due to electric atomic forces.
The gravitational equilibrium gives mv2/r=mcv/r cosV. The red shift is cosV = v/c for gravitational redshift.
The atomic equilibrium occurs in atoms and gives atomic quantum red shift. The forces are e2zc/2r2 = mcv/r cosV; this gives e2zc/2r2 = nhc/r2 cosV and cosV = e2z/2nh = 7.2E-3/n = Alpha the Fine Structure Constant!
With this explanation the red shift is also an indicator of the four dimensional space. The centripetal and centrifugal forces are scalar forces and their balance indicates no expansion or contraction from the center or origin or of the potential energy forces. The Fine Structure Constant is also an indicator of this four dimensional space.
Edwin Hubble, was honest and humble enough to admit to not knowing what the red shift indicates. My position is that the red shift indicates the balance of the scalar forces, including the gravitational and atomic red shift. Maybe the hitherto unrecognized principle of nature will be recognized and the red shift will indicate the universe is in equilibrium?
The blue shift phenomenon was discovered by the American astronomer Edwin Hubble in the 1920s. He observed that the light from distant galaxies appeared shifted towards the blue end of the spectrum, indicating that these galaxies were moving away from us. This discovery provided crucial evidence for the expansion of the universe.
What is the Shift pattern for a kx60?
The shift pattern for a Kawasaki KX60 dirt bike is typically N-1-2-3-4. This means that neutral is selected by half-kicking down, first gear by fully pushing down, and subsequent gears are reached by lifting the shift lever up multiple times.
When a light source is receding away from an observer then due to Doppler effect the frequency would appear to fall. Hence the colour would be shifted towards the red end. Hence red shift
Same way as the source is apporaching the observer, then frequency would appear to increase and so it moves towards violet. Hence violet shift.
Why is the red shift important to astronomers?
The redshift is important to astronomers because it provides vital information about how fast celestial objects are moving away from us. It also helps determine the distance to these objects and allows us to study the expansion of the universe through observations of galaxies and other celestial bodies.
How does red shift support the steady state theory?
Red shift supports the steady state theory in that the red shift indicates the Continuity Condition. Steady State means Conservation of Energy and does not require an expanding universe. It is the misunderstanding of red shift that adds the requirement of an expanding universe and the need for continuous creation.
Hubble saw red shift as a "hitherto unrecognized principle of nature", not an expansion of the universe. less prudent physicists have misunderstood red shift. Red shift is an indicator of "continuity condition" and the result of centrifugal force balancing gravitational centripetal force.
Steady State is the proper term for Conservation of Energy or Homeostasis, which seems to characterize the universe. "Steady State Theory" without expansion is well supported by red shift.
The proper Theory of Gravity, E = -mu/r + mcV, accounts for 'dark Energy and red shift" and a finite universe.
Ontogeny is the age propagation of an individual in a species. Ontogenetic shift is the space that individual needs as it grows (or gets older). This is related to distribution of individuals. there are three types of distribution: random, clustered (or aggregated) and regular. In ontogenetic shifts, organisms have clustered arrangement while they are juveniles, random distribution as they grow and finally when they are adults they have regular arrangement. This is because of competition with respect to space and resources.
What is the difference between the cosmological and Doppler red shift?
Red shift is the change in the spectra of galaxies towards being more red than we would expect them to be.
Doppler Shift results from galaxies being in motion away from us. Thus, the large Andromeda Galaxy has a blue shift, because it and our Milky Way Galaxy are being pulled towards each other due to gravity.
Cosmological Shift results from the space between us and other galaxies growing larger over time, even though neither they nor our Milky Way Galaxy are in motion relative to one another.
Group shift refers to the phenomenon where group discussions can lead individuals to make more extreme decisions or take more extreme actions than they otherwise would as individuals. This can result in groups collectively shifting towards riskier or more cautious behaviors.
What did hubble discover as a result of studying the red shift of distant galaxies?
Hubble discovered that the redshift of distant galaxies indicated that the universe is expanding, which provided evidence for the Big Bang theory. This observation also led to the realization that galaxies are moving away from each other, with those farther away moving faster, suggesting an overall expansion of the universe.
An observation of the red shift of galaxies suggest that the universe is?
expanding. This expansion causes the wavelengths of light from galaxies to stretch as they move away from us, resulting in a red shift. This observation supports the theory of the Big Bang, suggesting the universe began from a single point and has been expanding ever since.
1) as discovered by Edwin Hubble every distant galaxy appears to be moving away from us - and the further away it is the faster it is moving. This implies that a long time ago everything was closer together and even further back in history it must have all come from a single place.
2) the composition of the universe as measured many times over the past 50 years is roughly 75% Hydrogen and 24% helium along with 1% of the more interesting stuff (like planets and heavy elements) this is precisely what the big bang model predicts.
3) the Cosmic Microwave Background Radiation (CMBR) was discovered in the middle of last century - its a kind of afterglow in space from the big bang - and once again is precicely what would be expected to be seen.
As to how this supports the steady state theory... I suppose that would have to be wishful thinking on the part of the steady state theorists, because clearly it doesn't.
How do you do the at shift and?
To type the "@ symbol," press and hold the Shift key on your keyboard and then press the number 2 key (usually located above the letter Q on most keyboards). This combination will produce the "@" symbol on your screen.
In 1848, Hippolyte Fizeau first noted a red shift in stars.
In 1912, Vesto Slipher first noted a large red shift in nebulae.
In 1929, Edwin Hubble published his findings that the size of galaxy's red shift was proportional to its distance from our Earth.
Simply stated, if it's moving away from you as the red shift proves, then at one time it had to be closer and had to start from one point. Everything is moving away from everything else at an accelerated rate.
Describe the big bang theory and the red shift evidence that supports this theory?
The red shift is a Doppler effect which showed that almost all galaxies are moving away from us (or us from them), and that the farther away a galaxy is the faster it is moving.
Logically, if you "move" backwards in time (a thought experiment only) then it fits that the entire universe occupied a smaller space in the past. By calculation; at about 13.7 billion years ago it occupied only a tiny volume (of space) which must have been very hot and very energetic. The "big bang" (which must have been very small and quite silent) is just a descriptive term.
Or the red shift is due to light escaping from a large star...
Red shift data sHow is that galaxies are?
We can't be sure. The only thing we know for sure is that it could be explained as
the speed with which that galaxy is receding from us. If that's actually the cause
of the red shift, then from all the red shifts that we observe, we have to conclude
that all of the distant galaxies are receding from us, and the farther away one is
already, the faster it's receding. If all of that is true, then the whole universe is
expanding. This is the research that made Hubble famous.
Well said, but there is another reason. Maybe the light is coming from a large star (gravity hole, red shift due to gravity).
What does a blue and red shift of absorption lines in a spectrum indicate?
Blue shift is a decrease of a signal's wavelength, and/or an increase in its frequency, due to the Doppler Effect. This indicates that the object is moving towards the observer.
Red shift is the increase of a signal's wavelength, and/or a decrease in its frequency, due to the Doppler Effect. This indicates that the object is moving away from the observer.
Observation of the red shift of galaxies suggest that the universe is what?
Expanding
Or that the light is exiting a gravity hole (star).
Datum shift refers to the adjustment of coordinates from one geographic datum to another. This is necessary when working with maps or geographic data collected using different reference points, such as changing from NAD27 to WGS84. Datum shifts ensure that spatial information is accurately aligned across different datasets.
An observation of the red shift of galaxies suggests that the universe is?
The red shift of galaxies suggests that the universe is expanding in all directions. As the space-time volume between galaxies increases, they seem to move away in all directions and the wavelength of light received is "stretched" meaning a shift in frequency towards the red end of the spectrum.
This forms part of Hubble's law included in Edwin Hubble's paper in 1929
Yes, but it could mean something else. How much energy does the light lose when climbing out of a gravity hole (a large star, for a large distance).
What is a redshift in a light spectra?
Redshift in a light spectrum refers to the increase in the wavelength of light compared to a stationary source. This increase occurs when an object is moving away from an observer, causing the light waves to stretch and shift towards the red end of the spectrum. Redshift helps astronomers determine the speed and distance of celestial objects in the universe.
