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 carry
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 carry
different 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.