Sentences with phrase «by cosmic rays»

They used a dating technique perfected in the last 20 years that measures elemental changes in the rock that occur when the rock gets bombarded by cosmic rays after the glacier's retreat.
(Note: The computer model used considers climate variations caused by cosmic ray flux, and other possibly major parameters, as negligible, completely ignoring many recent scientific findings.).
On an outer space adventure, four friends are hit by cosmic rays.
The other possibility is that longer - term variations in solar wind could be responsible for changes in cloud formation triggered by cosmic rays.
It might sound like something from a science fiction plot — astronauts traveling into deep space being bombarded by cosmic rays — but radiation exposure is science fact.
At present, radiation caused by cosmic rays is one of the largest sources of natural radiation exposure.
In addition to being produced by cosmic rays as well as the sun and other stars, many neutrinos were created in the big bang.
The authors conclude it's most likely a lump of metal - rich rock without much water or ice that has been reddened by millions of years of bombardment by cosmic rays as it crossed interstellar space.
None of the muons created by cosmic rays in the atmosphere on the other side of the Earth can penetrate the planet.
Scientists have discovered new evidence to suggest that lightning on Earth is triggered not only by cosmic rays from space, but also by energetic particles from the Sun.
But «Oumuamua has a more neutral colour, suggesting it has only been impacted by cosmic rays for, at most, hundreds of million years rather than for the billions of years that our solar system has existed.
So far the Baikal telescope has seen only atmospheric neutrinos, secondary particles created by cosmic rays crashing into atoms in the air.
Despite its strange shape, trajectory and lack of a tail, «Oumuamua is just a comet after all, its ice locked away beneath a tarlike crust hardened and desiccated by eons of bombardment by cosmic rays.
The imprints left by cosmic rays tell us about the history of the sun and Earth's climate, and are the basis for archaeology
Each isotope is produced at a different rate by cosmic rays and has a different half - life.
«Six - decade - old space mystery solved with shoebox - sized satellite called a CubeSat: Charged particles in Earth's inner radiation belt created by cosmic rays born from supernova explosions.»
Re # 30: I don't quite see how this relates to sea ice, but since I'm quite puzzled by this cosmic rays affect climate theory, I'll risk getting further off topic.
The plot is sheer silliness: the earth's core has stopped moving, which results in the earth being slowly roasted by cosmic rays.
The data collected indicate that the electrons released by the cosmic rays acted as catalysts to accelerate the formation of stable clusters of sulfuric acid and water molecules — the building blocks for clouds.
Combining observations from a host of telescopes, scientists have determined that «Oumuamua is most likely a cometary fragment that has lost much of its surface water because it was bombarded by cosmic rays on its long journey through interstellar space.
The neutron yield in Daya Bay's liquid scintilla... ▽ More Neutrons produced by cosmic ray muons are an important background for underground experiments studying neutrino oscillations, neutrinoless double beta decay, dark matter, and other rare - event signals.
Space is permeated by cosmic rays, which are high - speed particles produced by powerful events like flares on the Sun or exploding stars in deep space.
The study notes that narrowing down that percent range requires particle accelerator experiments on water ice to more accurately gauge the number of chemical reactions that result per unit of energy deposited by cosmic rays and solar energetic particles.
Loose lengths of wire five micrometers wide, which will remove any electric charge delivered by cosmic rays, will be their only physical contact with the rest of the satellite.
«Depending on the size of the cell, we estimate that between 13 percent and 40 percent of brain cells will be hit once by cosmic rays,» Vazquez explains.
Formed by cosmic rays, the isotope builds up in the top few feet of the soil.
On Mars, it may have been made in the atmosphere by solar ultraviolet light or in the ice and soil by cosmic rays.
They propose that cosmic rays contribute to ozone depletion through their interactions with human - made chlorofluorocarbons (CFCs) in the atmosphere: electrons created by cosmic rays break down CFC molecules, leading to the production of chorine atoms, which in turn break down ozone.
The detectors are struck regularly by cosmic rays, which can mimic the annihilation signal, so narrowing the window of time in which matter — antimatter annihilations should be taking place significantly reduces the background noise the physicists must sift through to identify genuine annihilation events.
Evidence of vanishing dimensions may already have been spotted in the shower of particles created by cosmic rays entering our atmosphere.
UHECRS, very high energy protons and charged nuclei, occasionally arrive on Earth, where they are detected by cosmic ray detectors such as the Pierre Auger Observatory in Argentina.
Some of these light - element nuclei also might be produced by cosmic rays shattering atoms of carbon, nitrogen, oxygen, and other elements in the interstellar medium.
The mountain above the laboratory further shields the detector, preventing it to be perturbed by cosmic rays.
Trailing Earth's orbit at 94 million miles away, the Kepler space telescope has survived many potential knock - outs during its nine years in flight, from mechanical failures to being blasted by cosmic rays.
SNOlab is protected by being underground so that greatly sensitive experiments can go on undeterred by the cosmic rays of natural light and the background radiation of air.
Only if the cloud change is directly forced by some cosmic ray induced process would this be an extra forcing, however, the physical evidence so far of an actual mechanism for this is underwhelming.
If cloud formation is impacted by cosmic ray flux, as suggested by new research from CERN, then this further complicates our understanding of drivers of global temperature: GENEVA, 25 August 2011.
So Svensmark tweaked his theory: Though clouds at middle and high levels are unaffected by cosmic rays, he said, low - level cloud formation was still highly correlated.
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