apparent movement


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apparent movement

n
(Psychology) psychol the sensation of seeing movement when nothing actually moves in the environment, as when two neighbouring lights are switched on and off in rapid succession
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Noun1.apparent movement - an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving objectapparent movement - an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object; "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement"
optical illusion - an optical phenomenon that results in a false or deceptive visual impression
References in periodicals archive ?
The sun, in its apparent movement in the ecliptic, crosses the spring equatorial point, and from the southern hemisphere passes into the north.
The summer solstice will be followed by the sun's apparent movement towards south (earth's equator), where it will be exactly vertical on earth's equator again on autumnal equinox solstice day.
The apparent movement of the stars is another example, with constellations that seemed to move through the night sky and slowly changed position over the year.
Solstice also means standstill and to astronomical observers the sun stops its apparent movement north in our northern hemisphere's sky and then begins moving south, he said.
This is due to the apparent movement of the sun toward the south, decreasing daytime and solar radiation and increasing nighttime," the forecaster told Gulf News.
The apparent movement of the sun across the firmament is nearly impossible to measure with the naked eye, but human cultures have nonetheless used the changing quality of light to quantify time for millennia.
There was no apparent movement as the deadline came and went.
Acting Deputy Treasury Secretary Mary Miller today convened a meeting of the Financial Stability Oversight Council(FSOC) in a closed session at the Treasury Department that made no apparent movement toward designating MetLife a systemically important financial institution (SIFI) as it is expected to do at a later date.
The apparent movement of Chinese troops is likely to add to concerns among China's neighbors about Beijing's respect for its current borders as a long list of regional troublespots lengthens.
The apparent movement of Chinese troops is likely to add to concerns among China's neighbours about Beijing's respect for its current borders as a long list of regional troublespots lengthens.