Sentences with phrase «of background radiation from»

Meanwhile, Central Park itself clocked in at 100 millirem per year, probably because of background radiation from granite found in the park.

Not exact matches

«Cosmic background radiation is well explained as radiation left over from an early stage in the development of the universe, and its discovery is considered a landmark test of the Big Bang model of the universe.»

4s) then photons erupted from this energy cloud (detectable today as the microwave background radiation) 5s) photons and other particles form the bodies of the early universe (atoms, molecules, stars, planets, galaxies) 6s) it rained on the early earth until it was cool enough for oceans to form 7s) the first life form was blue green bacteria.

4) then photons erupted from this energy 4) let there be LIGHT (1 - 4 all the first day) cloud (detectable today as the microwave background radiation) 5) photons and other particles form the 5) God next creates the heavens (what we call the sky) above bodies of the early universe (atoms, (2nd day) molecules, stars, planets, galaxies) 6) it rained on the early earth until it was 6) dry land appears as the oceans form (3rd day) cool enough for oceans to form 7) the first life form was blue green bacteria.

The puzzle emerged after astronomers measured the cosmic microwave background — a bath of radiation, left over from the Big Bang — and found only slight variations in its temperature across the entire sky.

Experts say the dose from the backscatter is negligible when compared with naturally occurring background radiation, but a linear model shows even such trivial amounts increase the number of cancer cases

[6] Cosmic - infrared background radiation, similar to the more famous cosmic microwave background, is a faint glow in the infrared part of the spectrum that appears to come from all directions in space.

The discovery provides new and exciting information that could better our understanding of some astrophysics, including how certain galaxies obtain their shapes [4]; how intergalactic space becomes enriched with heavy elements [5]; and even from where unexplained cosmic infrared background radiation may arise [6].

These photons fly uniformly through space from all directions, with an average temperature of 2.7 kelvins (° 455 degrees Fahrenheit), composing a cloud of radiation called the cosmic microwave background (CMB).

The next decade, studies of the cosmic microwave background (the relic radiation from the Big Bang) by the Wilkinson Microwave Anisotropy Probe, or WMAP, provided a new way to measure the total amount of dark matter; this is the same technique that the Planck spacecraft built upon to come up with its more precise cosmic breakdown.

Other bubble universes might be detected in the subtle temperature variations of the cosmic microwave background radiation left over from the big bang of our own universe.

To put these numbers in perspective, the average person encounters 360 millirems of annual «background radiation» from natural and man - made sources, including substances in Earth's crust, cosmic rays, residue from nuclear tests and smoke detectors.

It turns out that the thousands of feet of solid salt deposits and clay designed to protect against radiation leaks also protect the caverns from the background radiation constantly hitting Earth's surface.

Everyone can recall examples of these happy accidents, from the discovery of the antibiotic penicillin by Alexander Fleming to the detection of the cosmic microwave background radiation by Arno Penzias and Robert Wilson.

According to previous simulations, UV - B radiation at the end of the Permian may have increased from a background level of 10 kilojoules (just above current ambient levels) to as much as 100 kilojoules, due to large concentrations of ozone - damaging halogens spewed from volcanoes (SN: 1/15/11, p. 12).

The balloon is immersed in a bath of inert oil to prevent interference from background radiation.

Rapid inflation in every direction also explained why the universe we now observe is so homogeneous, and why the temperature of the background radiation left over from that primordial blast is uniform, in every patch of the sky, to one part in 100,000.

The Cosmic Microwave Background radiation, or CMB for short, is a faint glow of light that fills the universe, falling on Earth from every direction with nearly uniform intensity.

Beyond inventions that revolutionized daily life, Bell Lab scientists made fundamental discoveries — such as the wave nature of matter and the microwave background radiation from the big bang — earning six Nobel Prizes including the one shared in 1997 by Secretary Chu for a method of trapping atoms with lasers.

He matched this gap with an enormous «cold spot» — colder than the frigid temperatures of deep space — in the cosmic microwave background, the leftover radiation from the Big Bang.

The first results from the FIRAS experiment, using only 9 minutes of data, showed that the cosmic background radiation has exactly the black - body spectrum expected in the hot big bang theory, with a temperature of 2.735 + / - 0.060 kelvin.

From studying the cosmic microwave background (CMB)-- the leftover radiation from the big bang — they have spotted traces of gravitational waves — undulations in the fabric of space and time — that rippled through the universe in that infinitesimally short epoch following its biFrom studying the cosmic microwave background (CMB)-- the leftover radiation from the big bang — they have spotted traces of gravitational waves — undulations in the fabric of space and time — that rippled through the universe in that infinitesimally short epoch following its bifrom the big bang — they have spotted traces of gravitational waves — undulations in the fabric of space and time — that rippled through the universe in that infinitesimally short epoch following its birth.

The fliers in this nebula, which appear as two red blobs against a pale green background of radiation, seem to be moving fast enough — about 100,000 miles per hour — to fit Balick's original theory, but they also have backward - pointing bow shocks, as though an even faster wind were coming from behind and pushing past them.

The time asymmetry will then explain why in the beginning the universe was so uniform, as evinced by the microwave background radiation left over from the big bang, whereas the end of the universe must be messy.

Inflation would generate gravitational waves, giving a subtle twist to the polarization of the cosmic microwave background (CMB), the ubiquitous whisper of radiation left over from the Big Bang.

In August the craft's telescope and detectors began the most detailed study ever made of the cosmic microwave background radiation, the remnant energy from the Big Bang.

Thanks to the dry, clear atmosphere at the South Pole, SPT is better able to «look» at the cosmic microwave background — the thermal radiation left over from the Big Bang — and map out the location of galaxy clusters, which are hundreds to thousands of galaxies that are bound together gravitationally and among the largest objects in the universe.

By measuring subtle variations in the cosmic microwave background (CMB), the remnant radiation from the early universe that pervades the sky, WMAP refined the estimated age of the universe (13.7 billion years, give or take), among other key cosmological parameters.

The participants were M.I.T.'s Alan Guth, the developer of the inflationary model of the universe, Lawrence Krauss, a frequent contributor to Scientific American magazine and director of the Origins Initiative at Arizona State University, John Carlstrom from the University of Chicago, who studies the cosmic microwave background radiation left over from the big bang and Scott Dodelson of the Fermi National Accelerator Laboratory, who studies the origin and structure of the universe.

There are contributions from interstellar matter, from the three - degree - Kelvin background radiation left over from the early history of the universe, from noise that is fundamentally associated with the operation of any detector and from the absorption of radiation by the earth's atmosphere.

«The only source of noise is the cosmic microwave background,» says Tarter, referring to remnant radiation from the big bang, whose signal has been well studied.

Look across space from one edge of the visible universe to the other, and you'll see that the microwave background radiation filling the cosmos is at the same temperature everywhere.

According to standard physics, cosmic rays created outside our galaxy with energies greater than about 1020 electronvolts (eV) should not reach Earth at those energies: as they travel over such vast regions of space they should lose energy because of collisions with photons of the cosmic microwave background (CMB), the radiation left over from the big bang.

In comparison, the average annual exposure from background levels of radiation in the UK is around 2.7 millisieverts.

An accurate measurement of the EBL is as fundamental to cosmology as measuring the heat radiation left over from the Big Bang (the cosmic microwave background) at radio wavelengths.

Lee Smolin of the Perimeter Institute for Theoretical Physics noted that some forms of quantum gravity predict certain asymmetries — one direction of polarization might be favored over another — that could be imprinted in the cosmic microwave background (CMB), a faint echo of radiation from the early universe.

Starting with data taken from observations of the cosmic background radiation — a flash of light that occurred 380,000 years after the big bang that presents the earliest view of cosmic structure — the researchers applied the basic laws that govern the interaction of matter and allowed their model of the early universe to evolve.

Few realize that our entire solar system is swinging through space passing through areas of greater or lesser energy fields from cosmic particles and background radiation.

In 2001, the Wilkinson Microwave Anisotropy Probe (WMAP), a NASA spacecraft, began measuring the extremely uniform temperatures of the Cosmic Microwave Background (CMB) radiation from deep space.

«If you really believe our number — and we have shed blood, sweat and tears to get our measurement right and to accurately understand the uncertainties — then it leads to the conclusion that there is a problem with predictions based on measurements of the cosmic microwave background radiation, the leftover glow from the Big Bang,» said Alex Filippenko, a UC Berkeley professor of astronomy and co-author of a paper announcing the discovery.

Light basically didn't exist, and the hydrogen gas that made up the majority of the interstellar medium was virtually indistinguishable from the cosmic background radiation, left over from the Big Bang.

The underground site would shield the detector from microwaves in the background cosmic radiation, which would normally impede the detection of solar neutrinos.

Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from exposures in the workplace.

The new instrument, containing 3.5 tons of ultra-pure noble gas Xenon cooled to nearly -140 degrees Fahrenheit to make it liquid, is installed inside a 10 - meter - wide water shield to protect it from radioactive background radiation.

At the moment, concentrations of plutonium in waters off Fukushima are so low that background radiation from nuclear weapons testing more than 50 years ago makes the signal undetectable with our instruments.

Siting the experiment under nearly a mile of rock was the first of many steps collaborators took to reduce interference from background levels of radiation.

The team estimates that a background level of radiation, supplied by other galaxies, could delay gas in a galaxy (call it galaxy A) from fragmenting quickly into smaller clouds that would form stars.

The data also will be studied for evidence of a faint, uniform infrared background, the residual radiation from the first stars and galaxies formed following the Big Bang.

However, it's one of the best spots on the planet for surveying the faint cosmic microwave background (CMB) radiation left over from the Big Bang.

Space telescopes like Planck that observe the Cosmic Microwave Background radiation have mapped the light from the very early Universe, just after the moment of the Big Bang.