Redshift (7940 bytes)
3: ...server, known as the [[Doppler effect]]. The term redshift is also used for the observation that light emitt...
5: In general, redshift (and blueshift, the observation of shorter wavele...
14: ...aller than the [[speed of light]] ''c'', then the redshift is approximately given by
19: ...in a shorthand, and aren't in fact ascribing this redshift to a real recession movement of the source.
25: ...ackground radiation]]; the numerical value of its redshift is about ''z'' = 1089 (''z'' = 0 corresponds to p...

Gravitational redshift (6901 bytes)
4: [[Albert Einstein]], the '''gravitational redshift''' or '''Einstein shift'''
7: The gravitational redshift is a simple consequence of the
12: Observing the gravitational redshift in the solar system, is one of the [[classical te...
16: Experimental verification of the gravitational redshift
32: The observed gravitational redshift

Redshift rocket (1192 bytes)
1: The '''redshift rocket''', envisioned by [[novelist]] [[Karl Schr...
3: ...the radiation that reaches the spacecraft being [[redshift]]ed. If the speed of the particle beams is great...

Redshift survey (877 bytes)
1: ... dramatic example of a large-scale structure that redshift surveys can detect.
3: ...ost notable redshift surveys are the [[2dF Galaxy Redshift Survey]] and the [[Sloan Digital Sky Survey]].

2dF Galaxy Redshift Survey (293 bytes)
1: In [[astronomy]], the '''2dF Galaxy Redshift Survey'''
2: ...d Galaxy Redshift Gurvey), or '''2dFGRS''' is a [[redshift survey]] conducted by the [[Anglo-Australian Obse...
6: * [http://msowww.anu.edu.au/2dFGRS/ 2dF Galaxy Redshift Survey]

Tired light effect (1979 bytes)
3: ...because of the existence of [[Hubble's law|Hubble redshift]] in the [[universe]] it has been postulated that...
5: ...s of Hubble redshift show that together with this redshift there is also a proportional to it [[time dilatio...
7: ...[gravitational redshift]] (or blueshift) in which redshift (or blueshift) is also caused by the time running...

Gunn-Peterson trough (1027 bytes)
1: ...ctic hydrogen should absorb photons with energies redshifted into the Lyman series at different points along...
3: ...ogen lines of the quasar to a region with about a redshift of 6. This suggests that the material in the ver...

Abell 2218 (1008 bytes)
4: ...the newly discovered star-forming galaxy at about redshift 7.

Blue shift (1372 bytes)
1: '''Blue shift''' is the opposite of [[redshift]], the latter being much more noted due to its im...
7: While the general [[redshift]] of starlight is seen as proof for an expanding ...
17: *[[redshift]]

Red Shift (574 bytes)
4: ...ierk]], named after the astronomical phenomenon [[redshift]] — see [[Red Shift (Vierk)|''Red Shift'' (...
8: * '''[[Redshift]]''' refers to an astronomical phenomenon.

Lyman-alpha forest (1544 bytes)
5: ...me to us from distant light sources show [[Hubble redshift]] that is roughly proportional to the distance be...
7: ...e photons at different [[wavelength]] (see also [[redshift]]). Therefore each individual cloud leaves its [[...
9: The reason for the ''Hubble redshift'' that causes the '''forest''' isn't universally ...

Tired light (2392 bytes)
1: ...un; spectra taken from the limb are slightly more redshifted than spectra taken from the centre.
3: ...equire [[Hubble's law]] to account for galactic [[redshift]]s, and thus removes the need for an expanding un...

Quasar, Redshifts and Controversies (2317 bytes)
1: ...[[astronomer]] famous for his work on anomalous [[redshift]]s.
3: ...galaxies]]. The relationship between distance and redshift (interpreted as [[velocity]]) is known as [[Hubbl...
5: ...en some galaxies show strange redshifts, and that redshifts themselves could be [[quantization|quantized]] -...
9: ... work is updated in his latest book, "Seeing Red: Redshifts, Cosmology and Academic Science", Aperion (Augus...
20: ...ttp://books.cambridge.org/0521363144.htm Quasars, Redshifts and Controversies]''". September 1988. ISBN 0521...

Dynamical friction (3937 bytes)
9: ...that the redshift in their light (called [[Hubble redshift]]) isn't caused by dynamical friction but by [[Do...
11: ...moving away from us and the whole observed Hubble redshift is atributed in those cosmologies to the movement...
13: ...tation. Therefore the only possible source of the redshift corresponding to the dynamical friction of photon...

Expansion of space (3274 bytes)
13: ...moving away from us. If the reason for the Hubble redshift were different then the hypothesis of expansion o...
15: ...hat the expansion of space is apparent and Hubble redshift is due to [[general time dilation]] rather than D...

Great Attractor (1296 bytes)
3: ... and from each other, but the variations in their redshift are sufficient to reveal the existence of a conce...

Hubble's law (5588 bytes)
1: ...law''' is the statement in [[astronomy]] that the redshift in light coming from distant [[galaxy|galaxies]] ...
3: ...less an approximately linear relationship between redshift and distance was confirmed by observations after ...
6: ...y should move with, away from us, to produce this redshift through Doppler effect), ''H''₀ is Hub...
27: ...ocity ''v'' can be determined from the galaxy's [[redshift]] ''z'' using the formula ''v'' ≈ ''zc'' wh...
28: ...axies, ''v'' cannot easily be determined from the redshift ''z'' and can be larger than ''c''.

Astronomical units of length (1612 bytes)
29: ...hift]]. The reasons for this are that converting redshift to distance requires knowledge of the [[Hubble Co...

Integrated Sachs Wolfe effect (1753 bytes)
3: ...Sachs-Wolfe effect]] is also due to gravitational redshift, but is the effect only at the [[surface of last ...

Twin Quasar (1758 bytes)
6: ...ft]] ''z=1.41'', while the lensing galaxy lies at redshift z=0.355 (7.8 billin [[ly]]). The lensing galaxy l...

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