| 单词 | cosmic microwave background |
| 例句 | There are, however, other ways to look for dark stars, such as via their signatures in the cosmic microwave background—the faint glow of radiation left over from when our universe was hot and young. JWST Might Have Spotted the First Dark Matter Stars 2023-07-20T04:00:00Z Or it could be a relic of the Big Bang, akin to the cosmic microwave background, which led to fundamental discoveries about the structure of the universe to within 400,000 years of its beginning. The Cosmos Is Thrumming With Gravitational Waves, Astronomers Find 2023-06-28T04:00:00Z The map displays the cosmic microwave background as temperature variations, but these variations translate to differences in the density of matter in the early universe. Physical Geology 2015-01-01T00:00:00Z Another strong indication of the big-bang is cosmic microwave background radiation. An Introduction to Geology 2017-01-01T00:00:00Z The light from this epoch, now stretched to microwave wavelengths because of the universe’s subsequent expansion, is detectable as the all-pervading cosmic microwave background. Astronomers Gear Up to Grapple with the High-Tension Cosmos 2022-04-18T04:00:00Z These researchers rely on the cosmic microwave background, a residual glow of radiation from roughly 400,000 years after the big bang. The James Webb Space Telescope Could Solve One of Cosmology’s Deepest Mysteries 2022-01-25T05:00:00Z “This could lead to something really groundbreaking,” Dr. Soares-Santos said, comparing it to the discovery of the cosmic microwave background in the 1960s, which has since transformed physicists’ knowledge about the early universe. The Cosmos Is Thrumming With Gravitational Waves, Astronomers Find 2023-06-28T04:00:00Z I think the field that I’m studying, which is the cosmic microwave background, the key observable, and what we’re trying to discover, is unequivocal evidence that inflation took place. We asked a physicist whether The Witcher’s multiverse could really exist 2021-12-17T05:00:00Z The science cases behind upgrading the IceCube Neutrino Observatory at the South Pole and building a next-generation detector for the cosmic microwave background radiation are similarly compelling. Fate of giant telescopes in the balance as U.S. astronomers debate priorities 2021-08-31T04:00:00Z When accelerated particles finally gain the energy to escape, some bump into massless, low-temperature photons from the cosmic microwave background and pass a significant part of their energy on to these particles of light. Highest-Energy Particles Yet Arrive from Ancient Crab Nebula 2021-07-08T04:00:00Z By taking measurements from the cosmic microwave background and extrapolating them into the present using our best physical models, astronomers in this camp can reach an estimate for the expansion rate of the universe today. The James Webb Space Telescope Could Solve One of Cosmology’s Deepest Mysteries 2022-01-25T05:00:00Z It measured the radiation still present from that moment, called the cosmic microwave background, or more poetically, the "afterglow of creation". New dark matter map reveals cosmic mystery 2021-05-27T04:00:00Z If you discover these waves of gravity embedded in the cosmic microwave background, then you would get a very strong piece of evidence that would seem to mandate the multiverse exists. We asked a physicist whether The Witcher’s multiverse could really exist 2021-12-17T05:00:00Z For example, conditions in the early universe resulted in the brightness patterns of the cosmic microwave background that seeded the formation of large-scale structure in the universe. To Qualify as 'Scientific,' Evidence Has to Be Reproducible 2021-03-01T05:00:00Z This cosmic microwave background is visible to microwave detectors, and as such allows scientists to learn more about the early periods in the history of our universe. Astronomers home in on a precise date for the universe's birthday 2021-01-05T05:00:00Z Analysis of the cosmic microwave background radiation—the fading afterglow of the big bang discovered in the late 1960s—indicated that the universe erupted into existence in an astonishingly uniform state. In Memoriam: John D. Barrow 2020-10-10T04:00:00Z The Bell Labs signal was this ancient light, first released about 300,000 years after the birth of the universe and still pervading the cosmos—what we call the cosmic microwave background. How Astronomers Revolutionized Our View of the Cosmos 2020-09-01T04:00:00Z Computer simulations helped us patch together the full story by solving the equations of motion for matter, starting from the initial conditions imprinted on the cosmic microwave background at early cosmic times. A Movie of the Evolving Universe, Potentially Scary 2020-08-02T04:00:00Z A portion of the new map of the Universe's cosmic microwave background radiation, representing a region of space 20 billion light-years across.Credit: Mystery over Universe’s expansion deepens with fresh data 2020-07-14T04:00:00Z Right now there is a growing tension between measured values of the Hubble constant, between those based on the cosmic microwave background and those based on observing the relatively nearby universe using supernovae. Space Telescope Director Says Best Is Yet to Come for Hubble 2020-04-27T04:00:00Z As for the cosmic microwave background, Hoyle's best guess was that it is radiation emitted by some sort of metallic interstellar dust. Remembering Big Bang Basher Fred Hoyle 2020-04-11T04:00:00Z The crucial point is this: Computer models that simulate this process are fed the initial fluctuations measured in the cosmic microwave background, which represent the universe when it was 300,000 years old. How Astronomers Revolutionized Our View of the Cosmos 2020-09-01T04:00:00Z A surfeit of gravitational lensing events — caused by massive objects bending light — exceeded what was expected, and was affecting the cosmic microwave background radiation, according to the study. Astronomers think the universe is a sphere. Here's why that claim is so controversial 2019-11-05T05:00:00Z In the late 1960s, Peebles realized that the cosmic microwave background couldn’t be as smooth, as uniform, as Penzias and Wilson’s observations suggested. Jim Peebles Richly Deserved his Nobel Prize 2019-10-17T04:00:00Z When this light—the cosmic microwave background—was detected in 1964 and later studied in vivid detail, no room was left for reasonable doubt. A Well-Deserved Physics Nobel 2019-10-12T04:00:00Z Hoyle also seemed obsessed with how close he had come to discovering the cosmic microwave background. Remembering Big Bang Basher Fred Hoyle 2020-04-11T04:00:00Z Peebles helped predict the cosmic microwave background radiation—the first light in the universe, which allows scientists to trace the earliest epochs in the cosmos. Cosmology and Exoplanets Win 2019 Nobel Prize in Physics 2019-10-08T04:00:00Z The electrons then smash into the ambient photons that pervade the universe as a part of the cosmic microwave background and send them speeding through the galaxy. Highest energy light ever seen traced to Crab Nebula 2019-07-08T04:00:00Z Observations of how galaxies rotate and of the cosmic microwave background — the ‘afterglow’ of the Big Bang — suggest that most of the matter in the Universe is invisible. Fresh data deepen mystery of dark-matter signal 2019-03-18T04:00:00Z Suddenly, the ringing stopped, impressing a final, frozen pattern of waves into the escaping light, which we see today in the cosmic microwave background. Have We Mismeasured the Universe? 2019-02-06T05:00:00Z A map of the Universe’s cosmic microwave background radiation, and its polarization, measured by the Planck satellite.Credit: Big Bang telescope finale marks end of an era in cosmology 2018-07-19T04:00:00Z These amplified gravitational waves would leave their imprint on the polarization of the cosmic microwave background. A Conversation with Thomas Hertog, One of Stephen Hawking's Final Collaborators 2018-05-24T04:00:00Z This hypothetical signal is distinct from a much longer-wavelength one from even earlier on, which might appear in the universe’s oldest visible radiation: the cosmic microwave background. Here Come the Waves 2018-05-22T04:00:00Z Observations of the cosmic microwave background — the relic radiation from the Big Bang — by the Planck Collaboration17 indicate that there was less star formation in the early Universe than the present authors’ results suggest. Distant galaxy formed stars only 250 million years after the Big Bang 2018-05-15T04:00:00Z “The cosmic microwave background is the light that is the furthest away from us that we can see,” said Riess. The answer to life, the universe and everything might be 73. Or 67 2018-05-10T04:00:00Z The experiment measures the long-wavelength part of the cosmic microwave background, the noisy afterglow of the Big Bang. Physicists in Earth’s remotest corners race to reproduce ‘cosmic dawn’ signal 2018-04-26T04:00:00Z One uses the cosmic microwave background radiation, which is the faint afterglow of the Big Bang. For the first time, astronomers have a reliable map of the heavens 2018-04-26T04:00:00Z “It was always my expectation that Gaia would weigh heavily on the tension between local results and those from the cosmic microwave background,” Riess says. The Milky Way, Revealed as Never Before 2018-04-25T04:00:00Z This hypothetical signal is distinct from a much longer-wavelength one from even earlier on, which might appear in the Universe’s oldest visible radiation: the cosmic microwave background. How gravitational waves could solve some of the Universe’s deepest mysteries 2018-04-10T04:00:00Z The temperature of interstellar space is typically given as that of the cosmic microwave background radiation that permeates the universe: about 2.7 kelvins. Readers Respond to the December 2017 Issue 2018-04-01T04:00:00Z The scientists realized that the cosmic microwave background, mixed with that soup of neutral hydrogen, might actually hold a subtle fingerprint from those primordial stars. Rare signal from early universe sends scientists clues about dark matter 2018-03-02T05:00:00Z The only hope is to try to see the neutral hydrogen itself, backlit by the cosmic microwave background and primed by starlight to absorb that radiation at a particular range of radio frequencies. A Potentially Game-Changing Message from the Dawn of Time 2018-02-28T05:00:00Z Positrons help create this gamma-ray fog when they slam into the cosmic microwave background radiation, the photons of light left over from the big bang that formed the universe. Through a Gas, Darkly: Scientists Trace the Origins of Earth's Antimatter 2017-11-16T05:00:00Z Physicists grew more confident when dark-matter models successfully predicted the fluctuations detected in an observable echo of the Big Bang, known as the cosmic microwave background. Dark-matter hunt fails to find the elusive particles 2017-11-07T05:00:00Z Several independent teams are studying whether it is possible to distinguish classical from quantum correlations in the cosmic microwave background. Quantum gravity: Quantum effects in the gravitational field : Nature : Nature Research 2017-09-05T04:00:00Z If so, signatures of quantum gravity might linger today as patterns in the cosmic microwave background — the relic radiation of the Big Bang. Witness gravity’s quantum side in the lab 2017-07-10T04:00:00Z If confirmed, their signal, a jagged little absorption dip in a broad radio spectrum, is the most distant astronomical observation ever made, aside from the cosmic microwave background itself. A Potentially Game-Changing Message from the Dawn of Time 2018-02-28T05:00:00Z Arno Penzias and Robert Woodrow Wilson found noise in their radio antenna, which other physicists later explained was actually the discovery of the cosmic microwave background radiation from the time of the Big Bang. Why Vera Rubin Deserved a Nobel 2017-01-04T05:00:00Z As he acknowledges, recent precision measurements of the cosmic microwave background agree with typical predictions of inflationary cosmology, so it seems difficult now to call it a mere flight of fancy. Theoretical physics: The emperor's new physics : Nature : Nature Research 2016-10-04T04:00:00Z George Smoot shared the 2006 Nobel Prize in Physics for the discovery of small temperature variations in the cosmic microwave background radiation, providing support for Big Bang theory. Q&A: George Smoot : Nature : Nature Research 2016-09-27T04:00:00Z Winter staff at the station maintain various areas of research, including the IceCube neutrino observatory and an experiment to probe the cosmic microwave background glow left over from the very early Universe. Daring Antarctic rescue mission sets off for South Pole 2016-06-20T04:00:00Z The physicists eventually discovered that they were listening to the cosmic microwave background, an echo of the big bang that permeates the universe. Five Small Animals That Messed With Big Science BICEP2 measured the polarisation pattern of the cosmic microwave background, and reported a strong detection of the imprint of primordial gravitational waves. Gravitational Waves Discovered: Top Scientists Respond 2016-02-11T05:00:00Z The telescope will explore what is known as the cosmic microwave background, the oldest light in the universe that glows faintly in between stars and galaxies. Hopkins telescope to examine origins of the universe 2015-11-07T05:00:00Z After that, Snowden said, alien messages would be so encrypted that it would render them unrecognisable, “indistinguishable to us from cosmic microwave background radiation”. Edward Snowden: we may never spot space aliens thanks to encryption 2015-09-19T04:00:00Z Scientists haven’t rigorously tested the cosmic microwave background for a revealing shift in 25 years. Physics Week in Review: July 4, 2015 2015-07-04T04:00:00Z The list includes faster-than-light neutrinos; dark-matter particles producing γ-rays; X-rays scattering off nuclei underground; and even evidence in the cosmic microwave background for gravitational waves caused by the rapid inflation of the early Universe. Reproducibility: Don't cry wolf 2015-06-30T04:00:00Z Normally, the South Pole Telescope’s 10-meter dish funnels extremely faint radiation from the cosmic microwave background into a camera called a bolometer. Scientists are hunting for black holes on the South Pole 2015-03-01T05:00:00Z The result had hinged on the discovery of a curlicue pattern in the polarization of the cosmic microwave background, the Big Bang's relic radiation. Gravitational Waves Discovery Now Officially Dead 2015-02-02T05:00:00Z It had hinged on finding a curlicue pattern in the polarization of the cosmic microwave background, the Big Bang's relic radiation. Gravitational waves discovery now officially dead 2015-01-29T05:00:00Z The only thing we knew was related to the cosmic microwave background radiation which originated about 400,000 years after the Big Bang. Avi Loeb Ponders the Early Universe, Nature and Life 2014-12-01T05:00:00Z Patches were chosen for low dust emission, overlap with other observations, and to allow nearly continuous cosmic microwave background observations from the James Ax Observatory in Chile. POLARBEAR Sniffs Out Cosmic Clues About The Universe, Dark Matter And Neutrinos 2014-10-22T04:00:00Z For one, the South Pole Telescope was designed for the very specific task of studying the cosmic microwave background—something completely different than what the astronomers of the EHT want it to do. Scientists are hunting for black holes on the South Pole 2015-03-01T05:00:00Z Indeed, recently reported results seemed to suggest that scientists had found the imprint of the Big Bang by examining cosmic microwave background using the BICEP2 telescope; those results, however, have now been called into question. 9 Exceptional Scientists Receive the 2014 Kavli Prizes 2014-05-30T04:00:00Z Indeed, recently reported results seemed to suggest that scientists had found the imprint of the Big Bang by examining cosmic microwave background using the BICEP2 telescope; those results, however, have now been called into question. Kavli Prizes reward cosmic inflation, memory research and imaging : Nature News Blog 2014-05-28T04:00:00Z With so much at stake, the small community of scientists who study the cosmic microwave background radiation is on edge, waiting for the discovery to be confirmed by additional data. Cosmology conundrum: Did astronomers see “cosmic inflation” or do they just need to clean their lenses? This polarisation is the orientation of the cosmic microwave background radiation’s electric field. POLARBEAR Sniffs Out Cosmic Clues About The Universe, Dark Matter And Neutrinos 2014-10-22T04:00:00Z Gravitational waves originated in this cosmic 'inflation' would make their presence known by polarizing the thermal radiation left over from the Big Bang — the cosmic microwave background — in a particular swirling pattern known as b-modes. Gravitational wave discovery faces scrutiny 2014-05-15T04:00:00Z But such detections are based on a faint, swirl-like polarization pattern imprinted in light from the cosmic microwave background. Milky Way map skirts question of gravitational waves 2014-05-07T04:00:00Z Midway through production last year, a higher-resolution map of the cosmic microwave background was released. Behind the Scenes at ‘Pterosaurs: Flight in the Age of Dinosaurs’ 2014-03-31T21:57:23Z But they have inferred the waves’ presence from their effect on the cosmic microwave background radiation—a faint afterglow of the universe’s hot youth that now forms an electromagnetic mist which pervades the cosmos. Astrophysics: BICEP flexes its muscles 2014-03-20T16:01:13Z The instrument, which scans the sky from the south pole, examines what is called the cosmic microwave background, which is the extremely weak radiation that pervades the universe. Astronomers discover echoes from expansion after Big Bang 2014-03-17T15:53:43Z That method used a preliminary map of galactic dust based on observations from the European Space Agency’s Planck spacecraft, which examined the cosmic microwave background from 2009 through 2013. Gravitational wave discovery faces scrutiny 2014-05-15T04:00:00Z The color indicates small temperature fluctuations in the cosmic microwave background that correspond to density fluctuations in the early universe. Gravity Waves from Big Bang Detected 2014-03-17T14:45:00Z Last March, many cosmologists were disappointed when new measurements of the cosmic microwave background showed no... Interactive Gallery: Seeing Sound 2014-02-20T07:00:00Z Planck, a now-defunct satellite that belonged to the European Space Agency, also studied the cosmic microwave background and its data are now being crunched. Astrophysics: BICEP flexes its muscles 2014-03-20T16:01:13Z Last March, many cosmologists were disappointed when new measurements of the cosmic microwave background showed no signs of exotic physics such as previously undiscovered particles. [News & Analysis] New Neutrino May Have Heated Baby Universe 2014-02-20T19:25:08.417Z “A lot of us are intrigued” by the discrepancy, says David Spergel, an astrophysicist at Princeton University in New Jersey, who studied the cosmic microwave background with Planck’s predecessor, NASA’s Wilkinson Microwave Anisotropy Probe. Missing galaxy mass found 2014-02-19T18:50:18.631Z The European Space Agency’s Planck satellite team should release data on how the polarization of photons from the Universe’s cosmic microwave background varies across the sky. What to expect in 2014 2013-12-31T14:20:15.518Z A long-predicted phenomenon in hydrodynamic nonequilibrium systems is the occurrence of Sakharov oscillations, which manifest in the anisotropy of the cosmic microwave background and the large-scale correlations of galaxies. [Report] From Cosmology to Cold Atoms: Observation of Sakharov Oscillations in a Quenched Atomic Superfluid 2013-09-12T17:56:49.477Z Ultimately, the spread of matter throughout space is thought to be due to slight variations in the energy density of the young universe that are evident as temperature variations in the cosmic microwave background light. Scientists to Discuss Universe's Strange Dense Spot Wednesday: Watch Live 2013-07-30T22:15:00.497Z But according to COBE's measurements, the cosmic microwave background appears to behave like a perfect blackbody. Big Bang Light Reveals Minimum Lifetime of Photons 2013-07-29T19:15:00.627Z Planck detects photons from the cosmic microwave background. Missing galaxy mass found 2014-02-19T18:50:18.631Z The SPT was switched on in 2007 and has used the cosmic microwave background to map out the positions of galaxies and star clusters. Long-Predicted Polarization Detected in the Cosmic Microwave Background 2013-07-29T18:15:02.443Z At the risk of oversimplifying, this is the lack of noticeably non-random fluctuations in the cosmic microwave background spectrum measured by Planck. Cosmic Inflation Model Gets A Boost From Planck Data 2013-04-02T13:07:32Z Planck, launched in 2009, provides a capstone to the study of the cosmic microwave background. Planck snaps infant Universe 2013-03-27T18:20:16.717Z The problem with many of these models is that when they are run, the Higgs decreases in energy too quickly and therefore would not generate fluctuations seen in the cosmic microwave background radiation. Could the Large Hadron Collider Discover the Particle Underlying Both Mass and Cosmic Inflation? 2012-06-29T10:45:00.233Z The importance of their discovery of the anisotropy of the cosmic microwave background radiation and the accelerated expansion of the universe, respectively, cannot be overstated in the current cosmological paradigm. 30 under 30: An Astronomer Tracing the Universe's History 2012-06-14T11:15:02.590Z Sunyaev merited the prize for his work on the cosmic microwave background radiation. Cosmic Microwaves and Alloys Earn Kyoto Prizes 2011-06-24T17:15:04.013Z However, this cosmic microwave background radiation — the first light to escape matter after the Big Bang — appeared nearly 400,000 after the birth of the universe, and much of what happened beforehand remains mysterious. Too Hard for Science? Neutrinos from the Big Bang 2011-06-17T13:15:02.290Z With luck it will be able to look far back into the history the universe beyond the formation of the cosmic microwave background radiation, when the universe was opaque to electromagnetic rays. European Scientists Launch Design of New Gravitational Wave Telescope 2011-05-19T19:49:00Z It started in a fairly pedestrian way: I spotted a paper authored by someone with a familiar name, outlining analyses of what is known as the cosmic microwave background, or CMB. Cosmic origins 2010-12-26T01:49:58Z Images of black-hole collisions that happened before the new Bang may thus imprint themselves as concentric circular marks in the emerging cosmic microwave background. Cosmology: Going round in circles 2010-12-02T11:05:00Z Sunyaev and Zel'dovich also created a new method for measuring the distances between galaxy clusters based on the clusters' scattering of the cosmic microwave background radiation. Cosmic Microwaves and Alloys Earn Kyoto Prizes 2011-06-24T17:15:04.013Z The researchers base their findings on circular patterns they discovered in the cosmic microwave background, the ubiquitous microwave glow left over from the Big Bang. Cosmic Rebirth 2010-11-29T16:49:00Z By then the discovery of the cosmic microwave background was transforming cosmology. 2010-01-28T07:17:00Z “This is what is seen as a circle in our cosmic microwave background sky, and it should look like a fairly uniform circle.” Cosmic Rebirth 2010-11-29T16:49:00Z |
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