Some articles on primary cosmic rays, cosmic rays:
... of the energy and arrival directions of the ultra-high energy primary cosmic rays by the techniques of "density sampling" and "fast timing" of extensive air showers were first carried out in 1954 by members of the ... experiments carried out all over the world, the energy spectrum of the primary cosmic rays is now known to extend beyond 1020 eV ... Their aim is to explore the properties and arrival directions of the very highest energy primary cosmic rays ...
... Primary cosmic rays originate mainly outside the Solar system, i ... Almost 90% of primary cosmic rays are protons, about 9% are helium nuclei (alpha particles) and nearly 1% are electrons ... These light nuclei appear in cosmic rays in much greater abundance (~1%) than in the solar atmosphere, where their abundance is about 10−9% that of helium ...
Famous quotes containing the words rays, primary and/or cosmic:
“Thus while I sit and sigh the day
With all his borrowd lights away,
Till nights black wings do overtake me,
Thinking on thee, thy beauties then,
As sudden lights do sleepy men,
So they by their bright rays awake me.”
—Sir John Suckling (16091642)
“The traditional American husband and father had the responsibilitiesand the privilegesof playing the role of primary provider. Sharing that role is not easy. To yield exclusive access to the role is to surrender some of the potential for fulfilling the hero fantasya fantasy that appeals to us all. The loss is far from trivial.”
—Faye J. Crosby (20th century)
“Put on the whole armor of God, so that you may be able to stand against the wiles of the devil. For our struggle is not against enemies of blood and flesh, but against the rulers, against the authorities, against the cosmic powers of this present darkness, against the spiritual forces of evil in the heavenly places.”
—Bible: New Testament, Ephesians 6:11-12.