All about solar eclipses
By: Alexander Darracott
An astronomical phenomenon that was once revered by cultures and feared by many, a solar eclipse occurs when the Sun, Moon and Planet Earth are in perfect alignment, with the Moon crossing the surface of the Sun, forming a shadow across the surface of the...
By: Tenebris
"You see, it was the eclipse. It came into my mind, in the nick of time, how Columbus, or Cortez, or one of those people, played an eclipse as a saving trump once, on some savages, and I saw my chance. I could play it...
Rituals for the first day of Spring
By: Vesselina Dobrinova
The first day of spring, according to folk tradition in Bulgaria is the first day of March. It is one of the few holidays in the year unrelated to Christianity. It is still surrounded by mystic beliefs, legend, and much hope for the future. The...
Ancient solar astronomy
By: Chris Pearce
Since the Stone Age, people have observed the path of the sun across the sky. They noticed that the sun rises and sets in a different place each day and climbs higher in the sky in the warmer months. With the start of agriculture, the...
Classification schemes for sunspots and sunspot groups
By: Sheri Fresonke Harper
According to Pam Spence in the "Sun Observer's Guide" sunspots provide useful information about how much solar activity is under-weigh. The sun spots show up in pairs, as dark spots on the visible part of the sun, called the photosphere. Each spot in the pair...
Ancient solar astronomy
By: Tamaal Ghosh
Ancient Nations Of The Skies.The cosmology of the ancients were inextricably associated with divinity and godhead and civilisations established their reverence of the heavens in their language.In Greek and Hellenistic (arising from Greek Influence) regions and times,especially after Alexander's conquests, there were...
Structure of the solar atmosphere
By: Tamaal Ghosh
Comprising some 98% of the solid matter of its own solar system, the Sun is undisputed lord of its demesne. From a distance of nearly 150 million kilometers, we have estimated its diameter to be approaching 1 400 000 kilometers. This stacks up very well...
Solar astronomy in the prehistoric southwest United States
By: Sheri Fresonke Harper
According to Dr. J. McKim Malville in a Guide to Prehistoric Astronomy in the Southwest, the use of natural features in the landscape augmented by man-made structures and pictographs provided essential astronomical data about the sun to the Puebloan cultures. More speculative in natural are...
By: Tenebris
A sunspot is an irregular and temporary area on the sun's visible surface which appears dark against the yellow of the sun. Although they seem small in comparison to the sun, the average sunspot is twice the size of our earth. At the other end...
By: Tenebris
Solar astronomy is the scientific study of the star nearest us, our sun. The word 'solar' comes from the Latin word 'solaris'/'sol' ('sun'), and the word 'astronomy' comes from the Greek 'astron' (star) and 'nomos' (law). As nearly as we can tell, our sun appears...

 

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