Sentences with phrase «of background objects»

The mass distribution in a galaxy acts rather like a lens shaped like the bottom of a wineglass, and produces multiple images of background objects, with images stretched out into arcs and rings.

The smallest black holes would have evaporated through a process called Hawking radiation long ago, and the largest would be detectable by the way their gravity bends the light of background objects.

Fritz Zwicky used it for the first time to declare the observed phenomena consistent with dark matter observations as the rotational speeds of galaxies and orbital velocities of galaxies in clusters, gravitational lensing of background objects by galaxy clusters such as the Bullet cluster, and the temperature distribution of hot gas in galaxies and clusters of galaxies.

The lens may produce multiple or distorted images of the background object as seen by the observer.

Not exact matches

While we find that most folks don't mind being in the background of photos, don't sweat it if someone objects.

Whereas the dichotomy of subject and object has been challenged by experiments in modern physics, a Cartesian dualism still provides the philosophical background of modern molecular biology and, more recently, sociobiology.

- «The scholarly community will need to see the full report and images of the artifacts to make a judgment in regard to the interpretation of these objects as coins,» Steven Ortiz, associate professor of archaeology and biblical backgrounds at Southwestern Baptist Theological Seminary in Fort Worth, Texas, said.

@justageeker, The Big Bang model is bases on evidence such and the Cosmic Microwave Background Radiation and the «Hubble flow» of all distant objects away from the observer.

Hughes resigned in late 1996 after Streamwood Park District officials decided to do criminal background checks on all of their volunteer coaches; Hughes objected strenuously to the checks.

The only way the older toddlers were able to name the object with that high of a background noise ratio was if they heard the word introduced first without background noise.

A wide depth of field is where everything in the picture is in focus, so objects in the foreground, the middle ground and the background are all equally sharp.

Your title of «woman with her breast out» plays into the background assumption that breasts are sexual objects.

Books like Priddy's First 100 Words will never go out of fashion in Montessori homes - the clear realistic images on plain backgrounds, of every day objects, is just perfect.

Increased vision allows the infant to tell objects apart from backgrounds with very little contrast (such as a button on a blouse of the same color).

I sometimes shuddered imagining the sort of advertisements that would be run on this theme, if money and time were no object: «Let's have Oliver Letwin in the foreground spouting gangster rap at 120 words per minute, and in the background we'll have Nicholas Soames and John Redwood break - dancing... yes, perfect!»

«But beyond that, I also object to the fact that a matter of this nature, challenging the eligibility of President Jonathan, was given to a judge who is inherently unlikely to dispense justice because of his background.

But despite the name of his famous concept — the theory of relativity — Einstein's universe still required a background against which particles and objects could be located in both time and space.

Brush Mode helps focus on objects moving in the background despite a cluttered foreground, while Scan Mode provides continuous readings of different object distances.

The gravitational pull of matter in the cluster bends and twists the light from more distant galaxies, producing a plethora of strange optical effects ranging from distorted arcs to multiple images of the same background object.

Its gravity would also have a telltale effect on light passing by it from background objects, say Arlie Petters of Duke University in Durham, North Carolina, US, and Marcus Werner of the University of Cambridge, UK.

The word simply meant «wanderer» and referred to the seven prominent celestial objects that moved against the background of stars.

When you see the satellite as a line against a background of stars, it is due to the object's motion in the sky during a long exposure.

So a number of observational projects have taken a different tack, trying to identify small KBOs by monitoring background stars for sudden dips in brightness that might result from a distant object crossing the line of sight between the star and Earth.

«It's very difficult to see these faint moving objects in front of thousands and thousands of background stars,» Parker says.

«Advancing technology has revealed more and more of the Universe to us over the past few decades, and our study shows individual objects that account for about 96 percent of the background radio emission coming from the distant Universe,» Condon said.

Taken together, these findings explain why visual acuity is commonly measured with dark characters on light backgrounds and why visual resolution is lower for lights, as already noted by Leonardo da Vinci and Galileo Galilei when judging the size of light objects in paintings and the dark sky.

These cosmic lenses are massive objects that can bend the path of light passing by them, making sources of light in the background look distorted from the point of view of telescopes on Earth.

Background More than 2,200 years ago, a scientist named Archimedes sat down in his bath and figured out that when an object is placed in water, water moves out of the way — it gets displaced.

Background A pendulum is an object hung from a fixed point that swings back and forth under the action of gravity.

«The sensitivity and resolution of the VLA, following its decade - long upgrade, made it possible to identify the specific objects responsible for nearly all of the radio background emission coming from beyond our own Milky Way Galaxy,» said Jim Condon, of the National Radio Astronomy Observatory (NRAO).

Background When you perceive an object visually, an image of that object is projected onto the back of your eye (specifically, the retina).

Exactly how its sensors do this is proprietary information, but the resulting trove of data allows users to focus a fuzzy photograph at any point after taking it, or even to shift the focus at will from an object in the foreground to one in the background and vice versa.

Thanks to the dry, clear atmosphere at the South Pole, SPT is better able to «look» at the cosmic microwave background — the thermal radiation left over from the Big Bang — and map out the location of galaxy clusters, which are hundreds to thousands of galaxies that are bound together gravitationally and among the largest objects in the universe.

The features ranged from 12 to 28 miles away, which meant Olson and Pope could take advantage of a phenomenon called parallax — the shift of nearby objects with respect to more distant background objects.

Scientists at the Ruhr - University Bochum have investigated this phenomenon and show for the first time how simultaneous counterchange of luminance at the borders between object and background triggers activity waves in the visual brain.

Earlier research efforts in the same area of the Atlantic may not have detected these spherules for a variety of reasons, Schaller says, including the difficulty associated with detecting these translucent to dark - colored objects on a dark background like a black lab tray.

Instead, the position of a moving object shifts with respect to the background in each successive still frame; when viewed rapidly, one gets an impression of smooth motion.

When it aims that straw at one thing, all other objects — even those within your direct field of vision — recede into the background.

«These measurements imply that, given the large angular separation between the three images of our background galaxy, the object must lie very far away,» Zitrin explained.

The subject was asked to pick the original location of the object in the original ocean background.

Study subjects examined the location of objects on a computer screen against a background of an underwater ocean scene.

According to Shvartzvald, Yee and their colleagues, OGLE -2016-BLG-1195Lb is the lowest mass world ever discovered through microlensing, a technique in which light from a star that passes in front of a bright background object causes the latter to appear brighter, thus allowing scientists to detect anomalies created by a planet orbiting in the foreground.

That is, we predicted that when the mosquitoes were exposed to CO2, which is an indicator of a nearby host, they would also spend a lot of time hovering near high - contrast objects, such as a black object on a neutral background.»

Occasionally, when the stars are aligned just right, this warping of the fabric of the universe results in a phenomenon known as gravitational lensing, wherein the strong gravitational field of a foreground object acts as a lens that «bends» light from an object in the background and allows scientists to catch a glimpse of what might otherwise have remained invisible.

To find moving objects against a background of stars, astronomers take two or more pictures of the same patch of sky at different times.

Scientists can take advantage of the warping effect by measuring the light of distant stars, looking for a brightening that might be caused by a massive object, such as a planet, that passes between a telescope and a distant background star.

In both age groups, a nap soon after encoding scenes that contained a negative or neutral object on a neutral background led to superior retention of memory for emotional objects at the expense of memory for the neutral backgrounds.

She first caught a whiff of something spectacular in the background when, in the 1980s, she found hints of a potential cluster of objects on old photographic survey plates.

These include observations of the microwave background radiation — the relic radiation of the early universe — and surveys of astronomical objects — galaxies, quasars, supernovae, gamma - ray bursters,... — over large fractions of the sky out to large fractions of the radius of the observable universe.

I want to share with you the five B's that will help you become better at training with three different types of odd - objects: Brief History, Background, Benefits, Beginning, and just plain Badassness!