Sentences with phrase «changes in the brightness of»

Follow - up study by the Caltech investigators revealed a change in the brightness of the afterglow that might be a sign of a jet of energy.

As a brown dwarf rotates, its clouds move in and out of the hemisphere seen by the telescope, causing changes in the brightness of the brown dwarf.

Kepler watches for the slight change in the brightness of a star when an exoplanet passes in front of it, an event called a transit.

Our new paper came out today in Science, presenting evidence for bands, zones, spots, and waves in brown dwarfs and a model that explains well several until - now mysterious changes in the brightnesses of brown dwarfs.

These are processed through pipeline software (the modern equivalent of the old «human computer» room) resulting in huge databases of the changes in brightnesses of hundreds of millions of stars.

MOST can see changes in the brightness of the star, or the planet associated with it, down to levels of one part in a million: that's one ten thousandth of a percent.

The object's core, near the orbiting pair of stars, showed changes in the brightness of its radio emission.

The Hubble Space Telescope directly observed changes in brightness of the «super-Jupiter» orbiting a brown dwarf, the results of which were published Thursday.

Those playing the shoot -»em - up games saw a boost in their «contrast sensitivity function,» or the ability to discern subtle changes in the brightness of an image.

Not exact matches

They are measured by the variation in brightness to the time allowed between each change, This measures the distance to objects 10s of millions of light years across.

Jenkins spent years designing and refining the sophisticated software that sifts the raw data downloaded from Kepler, looking for the telltale changes in stellar brightness that might reveal the existence of a new world.

If a planet is indeed the cause of the change in brightness, the exact same change should recur days, months, or years later, depending on how long the planet takes to orbit its star.

Etienne Artigau of the Gemini South Observatory in Chile and colleagues observed the brown dwarf SIMP0136 every night for five days and found variations in brightness each time they looked, as if light and dark areas were moving or changing shape.

«Depending on the camera's configuration, we can measure either the brightness or color of the emitted light across the bandage or the change in brightness over time,» Li said.

We extract science by carefully modeling all the ways in which the spacecraft and the instruments themselves could have caused the apparent brightness of a planetary system to change over time... We are pretty sure we can trust our models of Spitzer down to about a part in 10,000; we are in uncharted territory as far as detector behavior is concerned.»

The Great Red Spot has been present in Jupiter for hundreds of years and changes very slowly: Such «spots» could not explain the rapid changes in brightness that scientists saw while observing these brown dwarfs.

Using Spitzer, scientists monitored brightness changes in six brown dwarfs over more than a year, observing each of them rotate 32 times.

The change in the burst's brightness appears to be exactly the same at radio and optical frequencies; this can happen, say Garnavich and his collaborators Avi Loeb and Kris Stanek from the Center for Astrophysics in Cambridge, Massachusetts, only if part of the expanding ring passed behind a star located exactly between Earth and the ring itself.

Mira, a similar but more extreme star in the constellation Cetus (low in the west at nightfall this month), can change in brightness by a factor of 1,500.

«We discovered brightness changes in X-rays that occurred about a month after similar changes were observed in visible and UV light,» said Dheeraj Pasham, an astrophysicist at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts, and the lead researcher of the study.

The research found that sand fleas from the remote British Overseas Territory of Ascension Island change their colour to match the beaches they wash up on, which vary widely in colour and brightness from black to light yellow.

«An important next step will be to determine how the color of the star changes with time, especially during its brief dips in brightness,» added Shappee.

The team concluded that the «inversion» of the brightness of Saturn's rings between 2005 and 2008 was caused by the seasonal change in the ring opening angle to the Sun and Earth.

And if the two objects occasionally pass in front of each other, as in an eclipse, the resulting brightness changes may be used to map large features on their surfaces.

«We discovered brightness changes in X-rays that occurred about a month after similar changes were observed in visible and UV light,» study lead author Dheeraj Pasham, an astrophysicist at the Massachusetts Institute of Technology, said in a NASA statement.

It was even possible in certain situations change the colour or brightness of the light.

Brightness changes are in fact one of the few things we can study about these enigmatic frozen bodies, so every scrap of information is bound to turn up something new.

In lab studies pitting one male veiled chameleon (Chamaeleo calyptratus, pictured) against another, researchers looked at how aggression and fighting abilities correlated with the brightness of 28 different patches on various parts of the lizards» bodies, as well as how quickly those patches brightened or changed color.

And the 1981 observations were made in several colours, all of which showed the same pattern of change — which rules out fluctuation in the star's intrinsic brightness, as this would vary with colour.

Their use of easily detectable picture steganography — hiding text data unnoticeably by subtly changing the digital pixel brightness or colour values in an image — has a leading expert in that field of research baffled.

But it may be sensitive to changes in brightness or wavelength, such as moving shadows cast by approaching predators, or light fluctuations associated with different times of day.

That survey will image the entire visible sky every few nights, gathering data on billions of stars and how some of those stars change in brightness over time.

This conclusion is, in retrospect, not too surprising; we've learned from satellite measurements that solar activity changes the brightness of the sun very little.

Initially, we expected that the changes we see are driven by Great Red Spot - like stable features (the GRS has been seen in Jupiter for more than 300 years)-- but the brightnesses of the brown dwarfs changed way too much to be explained by spots, Waves, however, worked extremely well.

One method involves measuring the changes in a star's brightness that result from the gravitational effects of a primordial black hole passing between Earth and that star.

The observed change in brightness would be smeared out over a time interval equal to the time it would take the light from the far side of the object to travel to the near side of the object.

Distances for these types of stars can be effectively determined by following the periodic changes in their brightness and spectra.

Such stars are rich in carbon, and it is believed that the fall in brightness is due to the star's emission of carbon, which then condenses to a dense cloud near the star, rather than to a change in luminosity of the star itself.

The combination of changing size and temperature causes the variation in brightness.

The regular up and down changes in brightness are reminiscent of a heartbeat.

By precisely measuring the changes in the brightness and color of these sources as they rotate, we can explore their surface brightness distributions, thus creating rough maps of their cloud cover and temperature distributions.

Serpens is one of several star - forming regions targeted by the Young Stellar Object Variability (YSOVAR) project, which conducted repeated observations in each area to look for changes in brightness in the baby stars.

The change in stellar illumination along the rim, induces an azimuthal variation of the scale height that can contribute to the brightness variations.

The nuclei of these galaxies change brightness every few weeks, so we know that the objects in the center must be relatively small (about the size of a solar system).

The Sunyaev - Zel «dovich effect (SZE) causes a change in the apparent brightness of the CMB towards a cluster of galaxies or any other reservoir of hot plasma.

This even became a concern when Kane was reissued in a «restored» version last year; actually the only changes were in the brightness of some shots, so that the opening newsreel wasn't as grainy and the projection - room sequence wasn't as dark — both obvious efforts to bring the movie closer to Hollywood norms.

Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram

The changes appear to be an improvement in design and functionality, allowing easier toggling of Bluetooth, GPS, Airplane mode, Sound, screen rotation, app syncing, Wi - Fi, notifications, and screen brightness, but they are a change nonetheless.

Another side effect is the Brightness of images can change significantly in shifting between Portrait and Landscape modes.

LCD based tablets like the iPad 3 and Nook tablet are designed to read in low - light conditions and have many options to change the brightness of the screen.