Observations of the first electromagnetic counterpart to a gravitational -
wave source by the TOROS collaboration.
Not exact matches
Waves that emanate from a source moving away from you are stretched by the time they reach you — lowering the pitch of sound waves and shifting the color of light waves toward the longer wavelength, or red, end of the spec
Waves that emanate from a
source moving away from you are stretched
by the time they reach you — lowering the pitch of sound
waves and shifting the color of light waves toward the longer wavelength, or red, end of the spec
waves and shifting the color of light
waves toward the longer wavelength, or red, end of the spec
waves toward the longer wavelength, or red, end of the spectrum.
By validating model results against geological observations, the study indicates that changes in runoff, sea level and
wave energy have profoundly affected the past evolution of the Great Barrier Reef not only in regard to reefs evolution but also sediment fate from
source - to - sink.
The occasional merger of neutron stars literally shakes the universe
by sending out gravitational
waves (illustrated above), but these events may also be the main
source of gold and other heavy elements in the Milky Way, a new study suggests.
The NASA / ESA Hubble Space Telescope has observed for the first time the
source of a gravitational
wave, created
by the merger of two neutron stars.
BlackGEM is going to hunt down optical counterparts of
sources of gravitational
waves — tiny ripples in spacetime generated
by colliding black holes and neutron stars and detected for the first time in 2015
by the Laser Interferometer Gravitational - Wave Observatory (LIGO).
During the contraction a
wave blast revealed
by extreme ultraviolet radiation spreads away from the
source of the flare.
Virgo will improve physicists» ability to locate the
source of each new event,
by comparing millisecond - scale differences in the arrival time of incoming gravitational
wave signals.
Gravitational
wave detectors of the future will refine our newly discovered «sense»
by broadening the range of detectable gravitational
waves and pinpointing their
sources.
For astronomers who observe the universe through radio
waves generated
by stars and galaxies, interference from an Earth - based
source can easily drown out any far - off signal.
A gravitational
wave from a distance
source stretches space
by an infinitesimal amount, and to detect that rhythmic stretching LIGO employs two gigantic optical devices called interferometers, which essentially act as gigantic rulers.
Power will be supplied
by an external
source that beams radio
waves through the skin and skull.
They detected the absorption of radio
waves by gas clouds in front of bright radio
sources.
Although the signal we detected was incredibly weak, it was a pristine representation of the
waves emitted
by the
source, unaffected
by its 1.3 billion year journey to us.
«
By studying these longer
waves, we can look at the
sources of light that are cooler than, say, the lightbulb filaments or the sun that normally produce the light that we see.»
This latest study is part of ongoing research
by the University and key partners into
waves as a renewable energy
source.
Gravity
waves should be generated
by many
sources, including colliding black holes and exploding stars, but LISA should also be able to detect
waves created immediately after the birth of the cosmos.
Infrasonic
waves, with frequencies much lower than an audible voice, can be generated
by sources as diverse as volcanoes, earthquakes, rocket launches and meteor air blasts.
By studying computer simulations of astrophysical phenomena, scientists can figure out what type of signals to expect from various gravitational
wave sources.
By adjusting the material properties of the object and the polarizations and synchronization of the individual light
waves in the beam, physicists can make the object radiate more light forward along the beam than backward toward its
source.
Tsunamis triggered
by point -
source events such as volcanic collapses or submarine landslides are not likely to have as wide an impact because the
waves appear to dissipate quickly with distance.
Researchers simulated the environment found inside these planets
by creating shock
waves in plastic with an intense optical laser at the Matter in Extreme Conditions (MEC) instrument at SLAC National Accelerator Laboratory's X-ray free - electron laser, the Linac Coherent Light
Source (LCLS).
Using Jarzynski and Crooks» formulation, he derived a generalization of the second law of thermodynamics that holds for systems of particles with certain characteristics: The systems are strongly driven
by an external energy
source such as an electromagnetic
wave, and they can dump heat into a surrounding bath.
If the X-ray
source was caused
by a GRB triggered
by the merger of neutron star with a black hole or another neutron star, then gravitational
waves would also have been produced..
When the gravitational
wave event GW170817 was detected, astronomers rushed to search for the
source using conventional telescopes (see the Introduction
by Smith).
Because of Virgo's loss of sensitivity with the wire suspensions, it will not be able to detect gravitational
waves independently, but it will be able to help confirm a potential detection made
by LIGO and locate
sources in the sky with greater accuracy.
The centre of our Galaxy, 27 000 light years away in the constellation of Sagittarius, is marked
by a peculiar
source of radio
waves named Sagittarius A * (pronounced «ay star»).
In this case, they have been able to narrow the possible regions of sky that could host the
source of the gravitational
waves by 10 times more than with LIGO alone.
Researchers at Tohoku University have found a way to make covered or hidden PC steel wires visible,
by developing a new terahertz
wave light
source featuring both light and radio -
wave characteristics.
The same happens to radio
waves as they are compressed and expanded
by a moving
source.
Led
by Carnegie's Ho - kwang «Dave» Mao, the research team believes that as much as 300 million tons of water could be carried down into Earth's interior every year and generate deep, massive reservoirs of iron dioxide, which could be the
source of the ultralow velocity zones that slow down seismic
waves at the core - mantle boundary.
By comparing that figure with the waves» amplitude at the source, which the researchers can derive from the shape of the signal, and by knowing how the amplitude decreases with distance, which they get from Einstein's theory, they can then calculate the distance of the source to a much higher precisio
By comparing that figure with the
waves» amplitude at the
source, which the researchers can derive from the shape of the signal, and
by knowing how the amplitude decreases with distance, which they get from Einstein's theory, they can then calculate the distance of the source to a much higher precisio
by knowing how the amplitude decreases with distance, which they get from Einstein's theory, they can then calculate the distance of the
source to a much higher precision.
Led
by Geophysical Laboratory's Ho - kwang «Dave» Mao, the research team believes that as much as 300 million tons of water could be carried down into Earth's interior every year and generate deep, massive reservoirs of iron dioxide, which could be the
source of the ultralow velocity zones that slow down seismic
waves at the core - mantle boundary.
By instead applying polarized light (light
waves that vibrate on one plane) in a process the researchers coined Oosight, the eggs stayed healthy, allowing the scientists to finally clone the rhesus monkey embryos [
source: BBC].
radiation Energy, emitted
by a
source, that travels through space in
waves or as moving subatomic particles.
Coral reefs provide an important ecosystem for life underwater, protect coastal areas
by reducing the power of
waves hitting the coast, and provide a crucial
source of income for millions of people.
Astronomers need to know how much of their astronomical data has been contaminated
by radio
waves given off
by air molecules, the telescope's own electronics, and other
sources of interference.
Coverage can also be complicated
by a
wave of restricted and / or conflicting information from international, national and even local
sources.
Another of his recent work, on how to strategically point telescopes to find electromagnetic counterparts to gravitational
wave sources, was adapted for observations
by the Very Large Array radio telescope in New Mexico, which successfully observed radio emission from the merger.
«Over the next years, LIGO will be putting general relativity to its most stringent tests ever, it will be discovering new
sources of gravitational
waves, and we will be using telescopes on the ground and in space to search for light emitted
by these catastrophic events.»
Besides confirming theories about the
source of some short - duration gamma - ray bursts and the formation mechanism of many of the heavy elements including platinum, lead, gold, and rare earth elements, the gravitational
waves enabled us to get a distance to the galaxy independent of the usual step -
by - step procedure called the «distance scale ladder».
In a jellyfish, that
source is the aequorin protein, which transfers its blue light to GFP
by a quantum process that some scientists compare to mind - reading — unlike sound
waves, energy moves from one molecule to the other in the absence of any medium.
The results show that the gap around the node at sufficiently low temperatures can be well described
by a monotonic d -
wave gap function for both samples and the... ▽ More The energy gap of optimally doped Bi2 (Sr, R) 2CuOy (R = La and Eu) was probed
by angle resolved photoemission spectroscopy (ARPES) using a vacuum ultraviolet laser (photon energy 6.994 eV) or He I resonance line (21.218 eV) as photon
source.
The LIGO gravitational -
wave data — combined with information obtained
by the Virgo detector in Europe — and Fermi's observations indicated that the
source of GW170817 was within a fairly small patch of sky in the Southern Hemisphere.
Ratner grew no less shy this weekend, according to Twitter and several Vulture
sources: After a screening of his film Tower Heist at L.A.'s Arclight Cinemas, the director came out for a Q&A, and when asked
by the moderator whether he prepares and rehearses with his actors before shooting a scene, Ratner
waved his hand dismissively and said, «Rehearsing is for fags.»
RIM is set to release the first
wave of BlackBerry 10 phones
by October,
sources suggest.
For those who aren't able to ride the
wave of wealth created
by rising stocks, more and more are turning to a different
source of funds — payday loans and unsecured loans.
The chip has no power
source - it's activated
by a short radio
wave that can be read
by a scanner.
Guests at Poipu Kapili can relax in the ocean view swimming pool, play a round of tennis, pick herbs for their farmer's market
sourced meal or just relax on their ocean lanai gazing at the soothing
waves rolling
by.
At Poipu Kapili, you can relax in the sparking oceanfront swimming pool, play a round of tennis, pick herbs for your farmer's market
sourced meal or just relax on your ocean lanai, gazing at the tranquil
waves rolling
by.