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The cosmic microwave background has a redshift of z = 1089, corresponding to an age of approximately 379,000 years after the Big Bang and a proper distance of more than 46 billion light-years. [79] The yet-to-be-observed first light from the oldest Population III stars , not long after atoms first formed and the CMB ceased to be absorbed almost ...
Red Shift produced ten games between 1983 and 1985 for the ZX Spectrum [6] and BBC Micro. [7] Apocalypse (1983), ZX Spectrum and BBC Micro – based on the Games Workshop board game. Time Lords (1983), BBC Micro – based on a paper and dice game. English Civil War (1984), BBC Micro. Islandia (1984), BBC Micro - a Risk-style game. Murkwood ...
Tired light was an idea that came about due to the observation made by Edwin Hubble that distant galaxies have redshifts proportional to their distance.Redshift is a shift in the spectrum of the emitted electromagnetic radiation from an object toward lower energies and frequencies, associated with the phenomenon of the Doppler effect.
A photometric redshift is an estimate for the recession velocity of an astronomical object such as a galaxy or quasar, made without measuring its spectrum.The technique uses photometry (that is, the brightness of the object viewed through various standard filters, each of which lets through a relatively broad passband of colours, such as red light, green light, or blue light) to determine the ...
In 2020, a team of scientists published the most accurate measurement of the solar gravitational redshift so far, made by analyzing Fe spectral lines in sunlight reflected by the Moon; their measurement of a mean global 638 ± 6 m/s lineshift is in agreement with the theoretical value of 633.1 m/s.
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The Trap Door is a video game published for the ZX Spectrum in 1986 by Piranha Software and ported to the Amstrad CPC and Commodore 64 by Five Ways Software. [1] It was written by Don Priestley and based on the British children's television show of the same name .
Redshift-space distortions (RSDs) manifest in two particular ways. The Fingers of God effect is where the galaxy distribution is elongated in redshift space, with an axis of elongation pointed toward the observer. [1] It is caused by a Doppler shift associated with the random peculiar velocities of galaxies bound in structures such as clusters.