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Topic: Years of the Sun


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  Sun - Wikipedia, the free encyclopedia
The Sun's magnetic field gives rise to many effects that are collectively called solar activity, including sunspots on the surface of the Sun, solar flares, and variations in the solar wind that carries material through the solar system.
The Sun's radius is measured from its center to the edge of the photosphere.
The optical surface of the Sun (the photosphere) is known to have a temperature of approximately 6,000 K.
en.wikipedia.org /wiki/Sun   (6485 words)

  
 Years of the Sun - Wikipedia, the free encyclopedia
Tolkien, the Years of the Sun are the last of the three great time-periods of Arda, together with the Years of the Lamps and the Years of the Trees.
They begin with the first sunrise in conjunction with the Return of the Ñoldor to Middle-earth, and last until the present day.
(The history of the fictional Middle-earth is to be taken fictionally as a history of the real Earth.) The Years of the Sun began towards the end of the First Age of the Children of Iluvatar and continued through the Second, Third, and part of the Fourth in Tolkien's stories.
en.wikipedia.org /wiki/Years_of_the_Sun   (167 words)

  
 World Almanac for Kids
By the radiation of its electromagnetic energy, the sun furnishes directly or indirectly all of the energy supporting life on earth, because all foods and fuels are derived ultimately from plants using the energy of sunlight.
Because of its proximity to the earth, and because it is such a typical star, the sun is a unique resource for the study of stellar phenomena.
Aside from its calendrical or positional importance in marking, for example, solstices, equinoxes, and eclipses, the quantitative study of the sun dates from the discovery of sunspots, and the study of its physical properties was not initiated until much later.
www.worldalmanacforkids.com /explore/space/sun.html   (2089 words)

  
 The Sun
The Sun is an average star its size, age, and temperature fall in about the middle of the ranges of these properties for all stars.
Within the heliosphere, the Sun provides most of the heat and light that are present, and the particles in the solar wind interact with the planets and satellites in the solar system.
The Sun, which is moving around the center at a velocity of 220 km/s (140 mi/s), takes 250 million years to complete one trip around the center of the galaxy.
www.crystalinks.com /sun.html   (5012 words)

  
 The Sun
The Sun does rotate, but because it is a large gaseous sphere, not all parts rotate at the same speed.
midnight sun - midnight sun, phenomenon in which the sun remains visible in the sky continuously for 24 hr or...
Deification and adoration of the sun occurred primarily in agrarian societies.
www.factmonster.com /ipka/A0875446.html   (615 words)

  
 Melbourne Planetarium: The Sun   (Site not responding. Last check: 2007-10-13)
The Sun's path around the Galaxy is not flat, but goes up and down like a merry-go-round, passing through the plane of the Galaxy every 30 million years.
The Sun is an average yellow, main sequence star of spectral type G2 V. It is middle-aged, at least 4.6 billion years old with an expected lifespan of 10 - 12 billion years.
Deep within the Sun hydrogen atoms are fused to form helium, a process which releases incredible amounts of energy.
www.museum.vic.gov.au /planetarium/solarsystem/sun.html   (470 words)

  
 Dr. SOHO's FAQ: The Sun   (Site not responding. Last check: 2007-10-13)
The Sun is currently moving towards a maximum of solar activity which we expect to occur around the year 2000.
One effect is that the poles of the Sun are periodically tilted towards or away from Earth, with a maximum tilt of about 7 degrees occurring around the time of the Spring and Fall equinoxes (in spring, the Sun's north pole is tilted away from Earth, and in fall it is tilted towards Earth).
In the case of SOHO observations of the Sun, the observed wavelength (or frequency) of light that is emitted from hot gas in the Sun's atmosphere changes according to whether the gas is moving towards or away from the detector.
sohowww.nascom.nasa.gov /explore/faq/sun.html   (14630 words)

  
 StarDate Online | Solar System Guide | Sun   (Site not responding. Last check: 2007-10-13)
The Sun was born about 4.6 billion years ago from the gravitational collapse of a vast cloud of gas and dust.
The Sun's nuclear "furnace," where fusion reactions initially combine hydrogen atoms to produce helium, yielding energy in the process.
The Sun's outer atmosphere, which is heated by the magnetic field to millions of degrees.
stardate.org /resources/ssguide/sun.html   (635 words)

  
 Stanford SOLAR Center -- Ask A Solar Physicist FAQs - Answer
Then from the equation that scientists have for the change of the Sun's luminosity (luminosity is an energy output) versus its radius, the Sun would be shrinking in its radius 74 centimeters per year.
We would have detected such a noticeable change over the past history (over 500 years this would be a 0.005 arc seconds difference in the radius of the Sun from our viewing position on the Earth), and we haven't detected such a change.
Consequently, the Sun was the same size in 1716 as it is today, and astronomers were reassured.
solar-center.stanford.edu /FAQ/Qshrink.html   (600 words)

  
 SOHO Operations
The Sun is 150 million kilometers (93 million miles) away from the Earth (this distance varies slightly throughout the year, because the Earth's orbit is an ellipse and not a perfect circle).
The Sun is mostly made up of hydrogen (about 92.1% of the number of atoms, 75% of the mass).
All of the energy that we detect as light and heat originates in nuclear reactions deep inside the Sun's high-temperature "core." This core extends about one quarter of the way from the center of Sun to its surface where the temperature is around 15 million Kelvin (K) (or 27 million degrees Fahrenheit (F)).
sohowww.nascom.nasa.gov /explore/sun101.html   (836 words)

  
 THE SUN DAGGER   (Site not responding. Last check: 2007-10-13)
A few hours before sunset of the third day as the last heat of the sun began to wane along the desert floor, we moved to the base of the south face not taking time to set up any sort of a camp.
At the time I had never heard of such things, summer solstices and all that, nor did my uncle explain what he was doing, although many years later, when the sun dagger became well known he confirmed that was what he and his friend had gone to observe.
During the intervening years I went from a pre-teen to having been drafted and honorably discharged from the military.
www.angelfire.com /indie/anna_jones1/sundagger.html   (2955 words)

  
 THE YEARS OF THE SUN   (Site not responding. Last check: 2007-10-13)
THE YEAR AT THE EQUATOR AND THE YEAR AT THE POLE
This 365 day year is measured from whatever constellation is on the horizon just before the sun comes up and blocks out the the stars at sunrise.
THE YEAR OF THE SUN - the POLAR YEAR, is measured from the speed of the Earth's spin on it's axis, about 1000 mph.
www3.sympatico.ca /newparadigm/THEYEARSOFTHESUN.html   (314 words)

  
 Jet Propulsion Laboratory: Sun
Our Sun, the 5-billion-year-old star that sustains life here on Earth, powers photosynthesis in green plants and is ultimately the source of all food and fossil fuel.
The connection and interaction between the Sun and Earth drive the seasons, currents in the oceans, weather and climate.
Although its interior has been modified by nuclear reactions, the outer layers of the Sun are composed of very nearly the same material as the original solar nebula.
www.jpl.nasa.gov /solar_system/sun/sun_index.html   (240 words)

  
 StarChild: The Sun
In the Sun's core, hydrogen is being fused to form helium by a nuclear fusion process.
It is because of the Sun's gravitational pull that Earth orbits the Sun in the manner that it does.
The Sun has several layers: the core, the radiation zone, the convection zone, and the photosphere (which is the surface of the Sun).
starchild.gsfc.nasa.gov /docs/StarChild/solar_system_level2/sun.html   (487 words)

  
 Years Around The Sun   (Site not responding. Last check: 2007-10-13)
Years Around The Sun was formed in 2004 as an outlet to the members' more prominent projects.
Over the course of its development a more refined sound began to surface which gained immediate support within the local circles.
Seeing the band live demonstrates their true ability and brandishes the power of the music, but until you have the opportunity to do so, "Introstay" demonstrates the band's creative direction.
www.yearsaroundthesun.com /band.htm   (197 words)

  
 ORRERY: The Sun - powerhouse of the solar system
Once it was learned that the Sun is just an ordinary star, scientists on earth realised that if we learned about the sun, we were learning about the stars.
The Sun has been under study for years, but not until late 1995 did major discoveies start to be made with the launch of the the joint NASA/ESA probe, SOHO.
The sun, a yellow, G-2 star, will (in 5 billion years) then become a red giant encompassing the orbit of Mercury.
www.harmsy.freeuk.com /sun.html   (535 words)

  
 Harvard Gazette: Earth's birth date turned back
Mixtures of radioactive elements, which tick away like clocks, show that most of Earth had formed only 10 million years after the sun was born as a star, which took place about 4,567 million years ago.
Jacobsen and Charles Harper, a former research associate in his laboratory, previously determined that this was not completed until 100 million years after the sun began to shine.
Therefore, some 600 million years of history were lost in the melting and reworking of rocks as the young planet cooled down.
www.news.harvard.edu /gazette/2003/07.17/01-earthbirth.html   (1140 words)

  
 The Sun: A Perfect Fuel   (Site not responding. Last check: 2007-10-13)
This will happen in about 4-5 billion years, when the Sun will change from a white dwarf to a red giant (SOHO).
When the Sun begins to expand, it is unlikely that Earth will be a nice place to live, if it exists at all.
So, with the mass of the Sun and the rate at which this mass is consumed by fusion, we can guess that the Sun's lifetime will be 9 billion or 10 billion years, total.
earthguide.ucsd.edu /sun/intro4.html   (386 words)

  
 E.05 When will the Sun die? How?
The Sun is a yellow, G2 V main sequence dwarf.
When the conversion to the new fuel source is complete, the Sun will be slightly decreased in mass, as well as extending out to the current orbit of Earth or Mars (both of which will then be somewhat further out due to the Sun's slightly decreased mass).
Since the Sun's fuel source will not have increased in proportion to its size, the flbody power law indicates that the surface of the Sun will be cooler than it is now, and will become a cool, deep red.
www.faqs.org /faqs/astronomy/faq/part5/section-7.html   (522 words)

  
 StarChild: The Sun
The Sun is a yellow dwarf star, which means it is a medium size star.
The Sun spins slowly on its axis as it revolves around the galaxy.
The Sun also produces big explosions of energy called solar flares.
starchild.gsfc.nasa.gov /docs/StarChild/solar_system_level1/sun.html   (260 words)

  
 The Sun Goes Haywire
The sun rises early; bright rays warm the ground.
In California where smoke from wildfires dimmed the sun enough to look straight at it, casual sky watchers were startled by the huge blotches on the sun.
Sunspot counts were plunging, and the sun was rapidly approaching the 1985-86 solar minimum.
science.nasa.gov /headlines/y2003/12nov_haywire.htm   (890 words)

  
 Death of the Sun - Zoom Astronomy
The Sun is about 4.5 billion years old.
The Pistol nebula: a planetary nebula in Sagittarius.
Then the outer layers of the Sun drift off into space, forming a planetary nebula (a planetary nebula has nothing to do with planets), exposing the core.
www.enchantedlearning.com /subjects/astronomy/sun/sundeath.shtml   (308 words)

  
 The Sun Years   (Site not responding. Last check: 2007-10-13)
They arrived at Sun with a sound that would change very little over the years and for all his musical shortcomings it was Luther Perkins who developed the guitar sound that complemented Cash’s stark baritone.
Although cash composed rock ‘n’ roll songs during his time with Sun Records he was ill at ease with that sort of material.
Cash’s versions of these songs eventually found a release in the eighties on the 5-album Charly Records set The Sun Years although he is often quoted as saying that Y
homepage.ntlworld.com /peter.lewry/thesunyears.html   (836 words)

  
 Future of the Sun
The solar system will last for 4 to 5 billion years.
Then the Sun will run out of hydrogen to fuse and it will grow into a red giant star.
The planets nearest the Sun (including the Earth) will be burnt away.
www.historyoftheuniverse.com /futusu.html   (95 words)

  
 Reminiscing on 32 years with The Sun
The 35th year I wouldn't have made because I was a graduate student at the University of Cincinnati at the time, working on being a professor — or perhaps to put it more accurately, working on not having to go to work.
By The Sun's 40th anniversary, though, I'd been here for a couple of years and was writing this column — at the time called All Points West — which except for a couple of occasions when I took some time off has been run constantly since 1973 in the pages of The Sun.
The Sun was a weekly newspaper at that point, and didn't become a twice-weekly until 1978.
www.suburbanchicagonews.com /sunpub/focus/sun70/n0717wawest.htm   (1253 words)

  
 BBC NEWS | Magazine | Quiz: 40 years of the Sun
From humble beginnings, the Sun grew rapidly to become the UK's biggest selling newspaper by the late 1970s.
The Sun was created as a broadsheet in 1964 from the remains of which paper?
The Sun's circulation overtook that of the Mirror in 1978, reaching four million in the 1980s.
news.bbc.co.uk /1/hi/magazine/3654680.stm   (466 words)

  
 Solar   (Site not responding. Last check: 2007-10-13)
The Sun is personified in many cultures: the Greeks called it Helios, the Egyptians principal god was Ra the sun god and the Romans called it Sol.
The basic energy source for the Sun is nuclear fusion, which uses the high temperatures and densities within the core to fuse hydrogen, creating energy and producing helium as a by-product.
Every 11 years the sun undergoes a period of activity called the "solar maximum", followed by a period of quiet called the "solar minimum".
www.solcomhouse.com /solar.html   (3097 words)

  
 Johnny Cash : The Sun Years (Rhino) - Listen, Review and Buy at ARTISTdirect   (Site not responding. Last check: 2007-10-13)
Rhino's single-disc compilation The Sun Years contains 18 highlights from Johnny Cash's early years, including nearly every one of his hits for the label (the only ones missing are minor singles or B-sides).
Hit singles like "There You Go," "Guess Things Happen That Way," "Ballad of a Teenage Queen," and "Luther Played the Boogie" round out The Sun Years in an exemplary fashion.
There might be more comprehensive collections of Cash's Sun recordings than The Sun Years, but this disc contains everything you need to know.
www.artistdirect.com /nad/store/artist/album/0,,62386,00.html   (201 words)

  
 Amazon.com: Sun Years: Music: Roy Orbison   (Site not responding. Last check: 2007-10-13)
This album was recorded before he left Sun Records, where he never really fit in or felt comfortable with what Sam Phillips wanted him to do.
I had read two autobiographies about Roy Orbison, and in both, Roy was described as feeling out of place at Sun Records.
If Roy Orbison's short tenure with Sun was a rocky one, one would never know it from listening to this great rockabilly album.
www.amazon.com /exec/obidos/tg/detail/-/B0000032QW?v=glance   (527 words)

  
 Encyclopedia of Arda: Years of the Sun   (Site not responding. Last check: 2007-10-13)
The count of years from the time of the First Age
The time after the first rising of the Sun until the present, beginning in the first year of the First Age.
Click the link or the Seeing-stone to display the main page and full index.
www.glyphweb.com /arda/y/yearsofthesun.html   (72 words)

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