Sun Eclipses
Sun eclipses are classified into three types, Partial, Annular and Total eclipses. Sometimes happens Blended Eclipses, depending on the observer´s position on the Earth, it can be seen as Total or Annular
Moon occults Sun partially in a Partial Eclipse. This eclipses have less relevance because important effects don´t take place and they are visible at big portions in the globe. When there are sunspots and Moon occults them, suspots distorsion due to refraccion at the faint Moon atmosphere is produced. Luminosity changes can be realized when Moons occults a big piece of solar disk. They are the most usual ones. (35.5%)
Annular Eclipses are more important than Partial because they can been observed in a very narrow paths (90 miles wide) and 10000 miles long, though this data depend on the eclipse. The Annular eclipses are produced when Moon is in the furthest point in the orbit referred to Earth and its apparent diameter is more little and it can´t occult the whole Sun disk. Some important effects take place, as Baily’s beads. And they quite common too (32.9%). THE 3rd OCTOBER ECLIPSE IS CLASSIFIED AS ANNULAR.
Total eclipses are the most impressive eclipse and the most useful in science. Due to Moons occults completely the solar disk, we can observe the solar atmosphere during the totality period. So chromosphere can be gazed(layer where some kind of huge flames called prominences) and the corona(faint halo spreading with irregular o symmetric shape depending on solar activity). This eclipses can´t be seen often(26.6%). Next total solar eclipse will take place on March 29,2006.