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.
A total solar eclipse showing the sunâs corona as seen from Australia on Nov. 13 2012. Credit NASA. Those in Australia, South China, and Southeast Asia as well as Hawaii and Alaska will stand in the shade of a partial solar eclipse when the moonâs second shadow, the penumbra, catches them in its shade.