When the moon moves between the sun and the Earth, a solar eclipse forms. The moon blocks some sunlight from reaching Earth. There are four main types of solar eclipses: total, partial, hybrid and annular.| FOX Weather
Coronal mass ejection on February 27, 2000. A disk blocks out the light of the sun. The white circle indicates the sun’s surface. Learn more about coronal mass ejections here. Image via SOHO.What are coronal mass ejections?| EarthSky