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.
Here's who will be able to see the solar eclipse live on Friday. This is not quite a total solar eclipse, but it's pretty close. This Friday, March 20, marks the first and only total eclipse of the sun in 2015. During the eclipse, the moon passes directly between the sun and planet Earth.