An eclipse of the Moon can only take place at Full Moon, and only if the Moon passes through some portion of the Earth's shadow. The shadow is actually composed of two cone-shaped components, one inside the other.
Joints affected by rheumatoid arthritis include the small joints of the hands, legs and the cervical spine; in other cases the bigger joints like the shoulders and the knees are also affected. The effects of rheumatoid arthritis on the affected joint is failure to function making the patient have a hard time doing small things for themselves.
1 The joints glowing red in the diagram are those most commonly affected by rheumatoid arthritis. 2  RA is usually symmetrical and affects the joints on both sides of the body at the same time. 3  The most commonly affected areas are the joints in the wrists, fingers, shoulders, knees, ankles and toes.