Vernal Equinox traditions from around the world
By: Gemma Wiseman
Each year, the vernal or spring equinox is a special day around the world. In the northern hemisphere, it falls on March 20 (or March 21 in some years). In the southern hemisphere it falls on September 22 (or September 23 in some years). The...
What is the Wilson Effect?
By: Adam Feneley
The Wilson Effect in Solar Astronomy:The Wilson Effect describes the apparent increase in the ratio of the penumbra width in the direction of the solar limb (the distance measured across the solar disc radius), to that towards the centre of the disc as a sunspot...
Structure of the solar atmosphere
By: John Welford
The solar atmosphere is generally considered to consist of three zones, known as the photosphere (light sphere), the chromosphere (color zone) and the corona (crown). However, use of the term "atmosphere" can be misleading, because, in Earth terms, the atmosphere is understood to consist of...
All about solar eclipses
By: Kody Hackbusch
A solar eclipse is a very brief yet extraordinary phenomenon that occurs as the earth and her moon orbiting the sun - ever rotating in harmonious balance with one another - align in such a way that the light of the sun is either wholly...
Is the big bang a cosmic blunder
By: James Boyd
The concept of a Big Bang is still vehemently denied by some who find the theory unacceptable. The problem with all of the arguments that there was no such thing is that the arguments are based on backwards logic. "I do not like the conclusions...
The best telescope accessories for sun viewing
By: Robert Bullard
Most of us who peer through our telescopes at the vast and awe-inspiring beauty of our universe do so at night. This makes a lot of sense as you are viewing distant objects with faint traces of light. But a nice compliment to your astronomical...
All about solar eclipses
By: Douglas Black
All About Solar Eclipses History is riddled with fables and stories pertaining to the awe-inspiring phenomenon known as a solar eclipse. The ancient Chinese once believed that a giant dragon had swooped down and swallowed the sun, which in retaliation they fired arrows toward the...
The structure of sunspots
By: Alexander Darracott
Sunspots are as a result of intense magnetic field activity, where magnetic field lines criss-cross and tangle with each other, on the surface of the Sun, the photosphere. The development of Sunspots begin way in the centre of the Sun, where heat is generated and...
All about solar eclipses
By: Wilma Bane
ALL ABOUT SOLAR ECLIPSESWhen a Solar Eclipse occurs its because the earth,moon,and sun are in alignment and it must be during a new moon. Because the rapid motion of the moon, there is a maximum of about five hour's between the first and...
The long sunspot cycle
By: Alexander Darracott
The Sunspot cycle was first discovered by Samual Heinrich Schwabe, who, in 1943, completed his 15 year research into mysterious dots that have been appearing on the Sun. These dots were once thought of as undiscovered planets within the orbit of Mercury, most famous of...

 

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