Sentences with phrase «at different wavelengths of»

There are various types of telescopes to observe the universe at different wavelengths of the electromagnetic spectrum.
The spectrograph produces 18 images at different wavelengths of light, which enables GPI to reject light from nearby stars, which can be up to 10 million times brighter than the planets being studied.
The color image of the glory (top) is a composite of these three photos, which were taken at different wavelengths of light during the phenomenon.

Not exact matches

Using Hubble's Space Telescope Imaging Spectrograph the scientists were able to measure the albedo of WASP - 12b at several different wavelengths.
But it turns out that Venus» atmosphere is transparent to at least five wavelengths of light that can help identify different minerals.
The timing and strength of the electromagnetic radiation at different wavelengths provided scientists with clues about the nature of the phenomena created by the initial neutron - star collision.
They could create different wavelengths of energy at different times, simply depending on the design of the molecules.
The picture which emerges is one of a twisting jet whose emission is amplified at different wavelengths at different times, by the «lighthouse effect.»
Our knowledge of planetary, stellar and galactic systems will likely be rewritten by these telescopes, which will have exquisite resolution and a variety of instruments to record light at different wavelengths.
A new clue to their possible existence, which Cappelluti's team presented at the meeting, is an eerie concordance found in views of the distant universe that rely on different wavelengths.
Waves propagating with different wavelengths can cause wave «focusing,» in which the shape and size of obstacles and irregularities on the ocean floor cause the energy to compress at the front of the wave towards the shoreline.
To get a different view, astronomer Giovanna Tinetti and her colleagues at the European Space Agency and University College London focused instead on the light grazing the atmosphere of HD 189733 b. Tinetti had predicted that water would absorb more light at the longer wavelength of 5.8 microns (thousandths of a millimeter) than at 3.6 microns, in contrast with other molecules such as methane and ammonia.
«Comparing these new images, made at different wavelengths, is providing us with a wealth of new detail about the Crab Nebula.
* During the subsequent analysis the astronomer can move through the data and study different views of the object at different wavelengths, just like tuning a television to different channels at different frequencies.
The researchers sent 16 different twisted configurations of a specific wavelength of light to a receiver 3 km away at the University of Vienna.
For example, digital data can be encoded into light pulses of different wavelengths, which are sent simultaneously along a single fiber and separated again («de-multiplexed») at the other end.
When the molecules are illuminated, they emit a signal in the form of light at a different wavelength.
Since different elements and compounds absorb light at characteristic wavelengths, astronomers can determine what chemicals make up a planet's atmosphere by measuring the relative amounts of light that come in at particular wavelengths.
«One of the biggest challenges in designing an achromatic broadband lens is making sure that the outgoing wavelengths from all the different points of the metalens arrive at the focal point at the same time,» said Wei Ting Chen, a postdoctoral fellow at SEAS and first author of the paper.
This completely flat, ultrathin lens can focus different wavelengths of light at the same point, achieving instant color correction in one extremely thin, miniaturized device.
Focusing the entire visible spectrum and white light — combination of all the colors of the spectrum — is so challenging because each wavelength moves through materials at different speeds.
And until the mass production of the achromatic lens around 1775, they couldn't correct for the fact that different wavelength of light refract at different angles and cause a blurry image at the focal point.
«We see it stimulating other applications of the hollow fiber and new ways of interacting different types of laser beams with gases at various wavelengths, including wavelengths that you wouldn't expect to work.»
«Observations at different wavelengths across the infrared spectrum allow us to piece together a three dimensional picture of how energy and material are transported upwards through the atmosphere.»
The team made observations at many different wavelengths, optimised for different features and cloud layers in Jupiter's atmosphere, to create the first global spectral maps of Jupiter taken from Earth.
A second report in the current issue of the journal Science describes a 3 - D photonic crystal, which emits light at optical communications wavelengths, manufactured using a different approach.
To prove their concept of this multiplex spectral microgel analysis within a microfluidic flow, the team used «different barcodes corresponding to different emissions at specific wavelengths and the fluorescence intensity of known microRNA concentration,» which was measured for calibrations of the specific microRNA being explored.
Various elements emit light at specific EUV and X-ray wavelengths depending on their temperature, so by observing in several different wavelengths, a picture of the complete temperature structure of the corona can be made.
«Only by combining the high quality observations at very different wavelengths could we do this and when we separated these energy sources the effect of the magnetic field was surprisingly clear.»
To maximize energy absorption for photosynthesis, especially when the suns have vastly different colors or if at least one of the suns is dim, plants — or, more correctly, their extraterrestrial analogs — may use one or more types of light - absorbing pigments that absorb across a broad range of wavelengths, which would tend to make the plant appear black or gray (main image).
Ulf Leonhardt at the University of St Andrews, UK, and his colleagues accomplished the feat by firing lasers down an optical fibre, exploiting the fact that different wavelengths of light move at different speeds within an optical fibre.
These new and unique observations of the jets and estimates of magnetic field of V404 Cygni involved studying the body at several different wavelengths.
Different wavelengths of light interact with solar cells in very different ways — with visible light being the most efficient at generating electricity while infrared is more efficient at carryDifferent wavelengths of light interact with solar cells in very different ways — with visible light being the most efficient at generating electricity while infrared is more efficient at carrydifferent ways — with visible light being the most efficient at generating electricity while infrared is more efficient at carrying heat.
Thus, measuring how much gamma rays of different energies are attenuated or weakened from blazars at different distances from Earth indirectly gives a measurement of how many EBL photons of different wavelengths exist along the line of sight from blazar to Earth over those different distances.
The team used the GROND imager at the 2.2 m ESO / MPG telescope of the European Southern Observatory in Chile to observe the planet simultaneously at seven different wavelength bands spanning the optical and near - infrared.
To do this, the first step was to optimize the production process of cells based on different polymers, in order to achieve the maximum efficiency of these materials; secondly, polymers that absorb light at different wavelengths have been used to produce cells with a tandem structure in order to make them more efficient.
If we could carefully measure the number and energy (wavelength) of all those photons — not only at the present time, but also back in time — we might learn important secrets about the nature and evolution of the Universe, including how similar or different ancient galaxies were compared to the galaxies we see today.
Hence what one gets in the spectrum usually is a «forest» of lots of absorption lines at different wavelengths.
By looking at high - resolution images taken by SDO and STEREO over the same time period and in different wavelengths, Alzate and her colleagues at the University of Aberystwyth were able to focus down on the cause of the puffs and the interaction between the small and large - scale eruptions.
Prior observations of extrasolar planets had detected elements by analyzing light passing through their atmospheres, but Richardson says this is the first measurement of the energy coming directly from the planets at many different wavelengths.
Besides, different surfaces radiate different amounts of heat at infrared wavelengths owing to a material characteristic known as emissivity.
Ground - based images of the two bright plumes and the disturbance on April 5, 2007 at two different wavelengths: infrared (left) and visible (right).
The number of planets discovered at 500 nm (black curve) that could also be detected at longer wavelengths (colored curves), as desired for spectroscopic observations, as a function of telescope aperture size and for two different assumed inner working angles.
Examples include handling data from faster detectors, like the Pilatus, handling new technologies, such as the X-ray free electron laser (XFEL), and handling new types of experiments, such as putting multiple crystals in the beamline at the same time, or running experiments using two different wavelengths at the same time.
This is a composite of images obtained with three instruments, operating at very different wavelengths.
The recently completed Panchromatic Hubble Andromeda Treasury (PHAT) survey provided high - resolution imaging at six different wavelengths for more than half of these stars, Dorman said.
The probes will carry a similar array of spectrometers to those on MESSENGER, and will study the planet at many different wavelengths, including infrared, ultraviolet, X-ray and gamma ray.
In 1995, he became a permanent member of the science committee that manages the Canadian Galactic Plane Survey, a project that aims to map a large portion (60 degrees) of our galaxial plane at several different wavelengths using a common resolution.
[2] Such planets are difficult to observe directly and previous studies at millimeter wavelengths have failed to achieve a sharp view of their inner, planet - forming zones where these different explanations could be put to the test.
The sudden appearance of transparent gas at the shock boundary breaks up the spectrum of light from the quasar so that it is split into two intensity peaks of different height, instead of rising and falling smoothly as the wavelength changes if was not ionizd.
a b c d e f g h i j k l m n o p q r s t u v w x y z