What does a complete blood count measure? A CBC measures the amount of 3 types of cells in your blood: White blood cell count. A white blood cell count, also called a leukocyte count, measures the total number of white blood cells in a sample of blood.
In the umbra, the light from the Sun is completely blocked by the Earth. Our lunar observer would see a total solar eclipse; we see the Moon darkened, but glowing a dull red from light scattered by the Earth's atmosphere.
This total solar eclipse is fully visible in Columbia. This is a rare and spectacular event that can only be experienced along a relatively narrow strip on the Earth's surface. The eclipse is also visible in other areas, but the Moon does not cover the Sun completely there. More about the August 21, 2017 â Total Solar Eclipse.