by Erwyn van der Meer
The Sun in our Solar System – One that we take for granted.
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The Sun in our Solar System – One that we take for granted. - Food - Beverages
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This article is from my website under Interesting Tidbits:The Sun in our Solar SystemThe Sun in our Solar System - One that we take for granted.The Sun is the centre of our solar system and is possibly the body from which Earth and all the other planets originated. It is the only important source of light and heat for the Earth, and it controls all forms of life. It is nevertheless, a comparatively unimportant star situated in the Milky Way and about 27,000 light years distant from the centre of the Galaxy (1 light year is 5.88 million million miles). The Sun consists of a sphere of gas which has a visible diameter of 864,000 miles, heated by thermonuclear reactions in its interior. It is supposed that the temperature near the centre of the Sun may be 14,000,000 degrees K, and on the surface the temperature is about 6,000 degrees k. (In astronomical work temperature is measured on the Kelvin Scale, which begins at absolute zero. A temperature in degrees Kelvin is equal to the temperature in Centigrade plus 273 degrees.)The Structure of the Sun's atmosphereThe main body of the Sun is opaque and has a well defined visible surface or 'skin', known as the photosphere. This is the source of practically all the light and heat radiated by the body. Extending outwards from the photosphere for a distance of about 6,000 miles is the chromosphere. This is a layer of transparent gases which are in continuous movement; it looks rather like a prairie fire. Above the chromosphere and extending to enormous distances is another transparent gaseous zone called the corona. The Earth itself lies in the solar corona. Neither the chromosphere nor the corona is normally visible. They can be seen with the aid of certain kinds of optical equipment attached to astronomical telescopes. The only time that they can be seen without these aids is during a total solar eclipse, when the body of the moon covers the photosphere and therefore obscures the brighter light radiated from it. By comparison the light radiated from the outer parts is equivalent to the brightness of moonlight.The photosphere, chromosphere, and corona constitute the solar atmosphere and are the only parts of the Sun which can be observed. They all have a similar chemical composition and it seems that the composition of the Sun's interior differs little from that of its atmosphere. Although the three zones are permanent features, the boundaries between them are never clearly defined, and they are always changing internally. The most important changes are collectively called solar activity and include sunspots (dark spots) and faculae (bright spots) in the photosphere, flares, flocculi, and spicules
Friday, September 7, 2012
The Sun in our Solar System – One that we take for granted.
Q&A: when will the next eclipse (solar or lunar) be that is visible in the L.A. region of Southern California??
Question by qwert zaqwert: when will the next eclipse (solar or lunar) be that is visible in the L.A. region of Southern California??
I really want too see it...
what wednesday is this site talking about.... http://www.pe.com/localnews/inland/stories/PE_News_Local_D_eclipse19.3bcbae8.html
http://home.hiwaay.net/~krcool/Astro/moon/mooneclipse/elist_200049.htm
August 16th??
Best answer:
Answer by cyswxmanThe next solar eclipse visible there will be a partial eclipse on May 20th, 2012, with around 80% of the Sun covered at time of maximum eclipse. It will be annular in nature across northern California.
The next lunar eclipse visible there will be a partial one which will occur on June 26, 2010. That will be an early morning eclipse there, with the partial phase just about over at moonset.
Add your own answer in the comments!
Spoiler alert: it's short and crappy Recorded at about 6:40ish, on May 20th, 2012 Unfortunately, I have a little camera that wasn't built to capture something as cool as an eclipse, this is the best I could do. That background noise is the freeway next to our house and our really loud TV. Sorry.
Q&A: Can a person go outside during a solar eclipse?
Question by Musarath: Can a person go outside during a solar eclipse?
I've heard that you're not supposed to step outside during a solar eclipse until it's over, otherwise bad things would happen to you. Is there in fact something wrong if you go outside when an eclipse occurs?
Best answer:
Answer by eriThat's a load of superstitious crap. The solar eclipse is perfectly safe unless you're staring directly at it. There is no reason to not go outside. I mean seriously, it's getting dark. What could possibly happen?
Give your answer to this question below!
baily's beads during annular solar eclipse on January 10th, 2010 from Varkala, kerala, india at the northern limit of annularity taken by SPACE scientific team with canon 500d attached to meade lx200 10" gps telescope at the prime focus
Moon to Obscure Sunlight Across City in Rare Celestial Event Today
Moon to Obscure Sunlight Across City in Rare Celestial Event Today
Article by jackyluo
Moon to Obscure Sunlight Across City in Rare Celestial Event Today - Other
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Black cats, the number 13, walking under ladders - and eclipses - all considered omens of doom. The superstitious - or particularly unlucky - among us may therefore want to stay indoors today, as Pakistan witnesses a celestial portent in the form of a solar eclipse.Solar eclipses happen when the moon passes between the sun and earth, obstructing light.However, it is unusual for the moon to completely obscure the sun as is expected to happen on Friday.The result? A total solar eclipse - an event that occurs somewhere on earth less than 10 times a decade.Beginning around 2pm, Lahoris will be able to see the eclipse peak at 4:26pm and end by 6:40pm. Those in Pakistan hoping for a full eclipse will be disappointed - the earth's curvature means a total eclipse can only be seen within a narrow band of about 230 kilometers, which Pakistan falls outside of.The finest views of the moment of totality will be seen in China and Siberia. Pakistan will see only a partial eclipse.The superstitious nature of the earth's inhabitants means that culturally, solar eclipses have in the past been deemed portents, associated with the death of monarchs, birth defects, famine, war or natural disasters.Worriers, however, should take comfort in the fact that such eclipses take place roughly every two years at different places over the earth, giving any bad stuff that happens a fair chance of coinciding with an eclipse anyway.Records of solar eclipses date back to before 2000 BC, but their frequency and beauty have prompted a growing acceptability and appetite for eclipse tourism, a vibrant industry that has grown to help budding astronomers find the best views possible, often in remote locations.A greater awareness and interest in astronomy and astronomical events coupled with media coverage and the knowledge of when such events take place have prompted increasing number of people to combine their holidays with celestial happenings.Although a faint chance of a natural disaster occurring exists, it is far more likely people will suffer retinal damage by staring directly at an eclipse with the naked eye.Despite much of the sun's rays disappearing behind the moon, the bright, still-visible corona can cause permanent eye damage (another reason giving birth during an eclipse should be avoided - not through fear of birth defects, but because you may find medical staff diverted by floods of people suffering eye damage after viewing the eclipse using methods they were told not to).Where a total eclipse is visible, observers often see several dramatic lighting effects, the most famous probably being Bailey's Beads, a ring of dots of light sitting along the edges of the moon, as light streams through valleys in the moon's mountainous regions.Even if solar filters are not available, eclipse enthusiasts must
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What's the song playing in the solar eclipse version of the Honda CRZ sport hybrid commercial?
by quapan
Question by : What's the song playing in the solar eclipse version of the Honda CRZ sport hybrid commercial?
This commercial version (http://www.youtube.com/watch?v=w0nE_VSZn9Q) features the moon eclipsing the sun. The song playing is Cole Porter's "Night and Day" but I can't tell if it's sung by U2, Muse, or someone else.
Best answer:
Answer by Peter j NeffAll the Many Rings
What do you think? Answer below!